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| Name |
|
Pennant No. |
|
Information |
|
Note |
| S. 205 | | 4.205 | | | | 14 |
| SABINE | | W74 | | | | 43 |
| SABLE | | G91 | | | | 17 |
| SABLE | | H58 | | 1935 | | 18 |
| SABLE | | H93 | | | | 18 |
| SABLE | | G44 | | 1917 | | 17 |
| SABRE | | H18 | | | | 18 |
| SABRE | | P275 | | | | 37 |
| SABRE | | P285 | | PP | | 37 |
| SABRINA | | 4.254 | | | | 14 |
| SABRINA | | H47 | | | | 18 |
| SABRINA | | C6A | | 1916-26 | | 6 |
| SACKVILLE | | F96 | | | | 11 |
| SACKVILLE | | K181 | | RCN | | 23 |
| SAFARI | | P211 | | 1943-46 | | 80 |
| SAGA | | P257 | | 1945-48 SOLD TO PORTUGAL AS NAUTILLO | | 80 |
| SAGITTA | | 4.26 | | | | 14 |
| SAGUENAY | | D79 | | 1930/40 REN I79 RCN LOST | | 9 |
| SAGUENAY | | I79 | | RCN | | 21 |
| SAHIB | | P212 | | 1942-43 SUNK | | 80 |
| SAHRA | | FY1903 | | | | 15 |
| SAILOR KING | | Z45 | | | | 48 |
| SAINFION | | F183 | | LSI | | 11 |
| SAINTES | | D84 | | 1948/70 EX R84 | | 9 |
| SAINTES | | R84 | | | | 38 |
| SALADIN | | H54 | | | | 18 |
| SALAMANDER | | J86 | | | | 22 |
| SALAMANDER | | N86 | | | | 33 |
| SALAMIS | | H77 | | GREECE | | 18 |
| SALERNO | | L121 | | | | 27 |
| SALISBURY | | F32 | | | | 12 |
| SALISBURY | | I52 | | RCN | | 21 |
| SALLYPORT | | L4064 | | | | 28 |
| SALMAID | | A187 | | AG | | 2 |
| SALMASTER | | A186 | | AG | | 2 |
| SALMON | | H58 | | 1933 RENAMED SABLE | | 18 |
| SALMON | | F18 | | 1920 | | 12 |
| SALMON | | 65S | | | | 75 |
| SALMON | | 65N | | | | 76 |
| SALMON | | N65 | | 1934-40 SUNK MINED | | 77 |
| SALMOOR | | A155 | | | | 2 |
| SALMOOR | | A185 | | AG | | 2 |
| SALOPIAN | | F94 | | AMC | | 11 |
| SALPA | | FY1623 | | | | 15 |
| SALTARELLO | | T128 | | | | 41 |
| SALTASH | | J62 | | | | 22 |
| SALTASH | | N62 | | | | 33 |
| SALTBURN | | J58 | | | | 22 |
| SALTBURN | | N58 | | | | 33 |
| SALUKI | | A182 | | AG | | 2 |
| SALVAGE DUKE | | W34 | | | | 43 |
| SALVALOUR | | A494 | | AG | | 2 |
| SALVE DUKE | | A234 | | AOR | | 2 |
| SALVEDA | | A497 | | AG | | 2 |
| SALVENTURE | | A384 | | | | 2 |
| SALVESTOR | | W176 | | | | 43 |
| SALVESTOR | | B442 | | SALVAGE SAL | | 93 |
| SALVESTOR | | A499 | | AG | | 2 |
| SALVIA | | K97 | | LOST | | 23 |
| SALVIA | | M97 | | | | 30 |
| SALVICTOR | | B443 | | SALVAGE SAL | | 93 |
| SALVICTOR | | W190 | | | | 43 |
| SALVICTOR | | A500 | | AG | | 2 |
| SALVIGIL | | A501 | | AG | | 2 |
| SALVINI | | 4.457 | | | | 14 |
| SALVIOLA | | A502 | | AG | | 2 |
| SALVO | | FY1672 | | | | 15 |
| SALVONIA | | W43 | | | | 43 |
| SAMPHIRE | | K128 | | LOST | | 23 |
| SAMSON | | A390 | | AG | | 2 |
| SAMSON | | W90 | | | | 43 |
| SAMSON | | B746 | | RESC TUG | | 93 |
| SAMSONIA | | W23 | | | | 43 |
| SAMSONIA | | A218 | | AG | | 2 |
| SAMUEL BENBOW | | FY.95 | | | | 56 |
| SAN ADOLFO | | B518 | | | | 93 |
| SAN AMADO | | B519 | | | | 93 |
| SAN AMBROSIO | | B520 | | | | 93 |
| SAN ANDRES | | B564 | | VSIS | | 93 |
| SAN DOMINGO | | I37 | | CANC | | 21 |
| SANDA | | T160 | | RNZN | | 41 |
| SANDBOY | | W48 | | | | 43 |
| SANDFLY | | H63 | | 1919/21 | | 18 |
| SANDFLY | | H97 | | 1918 | | 18 |
| SANDFLY | | H99 | | 1918/19 | | 18 |
| SANDGATE | | Z24 | | EX BV4 | | 48 |
| SANDHURST | | F92 | | | | 11 |
| SANDMARTIN | | M06 | | EX JAY | | 29 |
| SANDMARTIN | | M06 | | | | 30 |
| SANDOWN | | 4.15 | | | | 14 |
| SANDOWN | | J20 | | | | 22 |
| SANDOWN | | N20 | | | | 33 |
| SANDOWN | | M101 | | MHC | | 31 |
| SANDPIPER | | T41 | | | | 41 |
| SANDPIPER | | P263 | | | | 37 |
| SANDRA | | XT2 | | LD 1943 BU 1945 | | 88 |
| SANDRAY | | J424 | | | | 22 |
| SANDRAY | | M424 | | | | 31 |
| SANDRAY | | T424 | | | | 41 |
| SANDRINGHAM | | FY598 | | | | 15 |
| SANDRINGHAM | | M2791 | | | | 31 |
| SANDSTORM | | FY699 | | | | 15 |
| SANDWICH | | L12 | | | | 25 |
| SANDWICH | | U12 | | | | 42 |
| SANGARIUS | | 4.16 | | | | 14 |
| SANGUINE | | P266 | | 1945-58 SOLD ISRAEL AS RAHOV | | 80 |
| SANGUINE | | S66 | | 1945-58 SOLD ISRAEL AS RAHO | | 83 |
| SANSAVINO | | F162 | | EX EMPIRE CUTLASS LSI | | 11 |
| SANSON | | FY901 | | | | 15 |
| SANTON | | M1178 | | | | 31 |
| SAON | | FY159 | | | | 15 |
| SAPPER | | T336 | | | | 41 |
| SAPPHIRE | | T27 | | | | 41 |
| SARABANDE | | T125 | | | | 41 |
| SARACEN | | D74 | | 1918/19 EX D07 | | 9 |
| SARACEN | | D07 | | 1915/18 EX H38 REN D74 | | 9 |
| SARACEN | | P247 | | EX P213 1942-43 SUNK | | 80 |
| SARAH HYDE | | FY968 | | | | 15 |
| SARAWAK | | K591 | | | | 23 |
| SARBA | | Z139 | | | | 48 |
| SARDONYX | | H26 | | | | 18 |
| SARGASSO | | FY.053 | | | | 13 |
| SARGON | | FY572 | | | | 15 |
| SARKA | | FY1738 | | | | 15 |
| SARNA | | FY1753 | | | | 15 |
| SARNIA | | J190 | | RCN | | 22 |
| SARNIA | | J309 | | RCN | | 22 |
| SARONTA | | FY1849 | | | | 15 |
| SARPEDON | | 4.05 | | | | 14 |
| SARPEDON | | G14 | | | | 17 |
| SARPEDON | | H69 | | | | 18 |
| SARPEDON | | G19 | | | | 17 |
| SASKATCHEWAN | | H70 | | RCN EX FORTUNE | | 18 |
| SASKATOON | | K158 | | RCN | | 23 |
| SATSA | | FY1734 | | | | 15 |
| SATURN | | FY823 | | | | 15 |
| SATYAVATI | | FY.073 | | AUX P/V RIN | | 13 |
| SATYR | | F59 | | 1919 | | 12 |
| SATYR | | G52 | | 1920 | | 17 |
| SATYR | | H78 | | | | 18 |
| SATYR | | P214 | | 1942-52 LOANED FRENCH 1952-61 AS SAPHIR | | 80 |
| SATYR | | S84 | | 1942-52 LOANED FRENCH 1952-61 AS SAPHIR | | 83 |
| SAUCY | | W131 | | | | 43 |
| SAUCY | | A386 | | AG | | 2 |
| SAULT STE MARIE | | J334 | | RCN | | 22 |
| SAUMAREZ | | G12 | | | | 17 |
| SAUMAREZ | | H08 | | 1924 | | 18 |
| SAURIAN | | FY1726 | | | | 15 |
| SAUTERNE | | U55 | | | | 42 |
| SAVAGE | | D92 | | 1915/18 REN HA9 | | 9 |
| SAVAGE | | F97 | | 1919 | | 12 |
| SAVAGE | | G20 | | | | 17 |
| SAVAGE | | HA9 | | 1918 | | 18 |
| SAVAGE | | I16 | | | | 21 |
| SAVAGE | | D27 | | 1948/62 EX G20 | | 9 |
| SAVEUR DU MONDE | | B79 | | | | 5 |
| SAVOIA | | D04 | | | | 8 |
| SAVORGNAN DE BRAZZA | | K135 | | FRENCH | | 23 |
| SAWFLY | | FY629 | | | | 15 |
| SAXIFRAGE | | K04 | | | | 23 |
| SAXLINGHAM | | M2727 | | | | 31 |
| SAYONARA | | 4.72 | | | | 14 |
| SCALBY WYKE | | FY258 | | | | 15 |
| SCALPAY | | DV15 | | | | 10 |
| SCALPAY | | T237 | | DV 15 | | 41 |
| SCARAB | | T59 | | | | 41 |
| SCARAB | | A272 | | AG | | 2 |
| SCARAVAY | | J425 | | | | 22 |
| SCARAVAY | | T425 | | | | 41 |
| SCARBA | | T175 | | RNZN | | 41 |
| SCARBOROUGH | | F63 | | | | 12 |
| SCARBOROUGH | | L25 | | | | 25 |
| SCARBOROUGH | | L25 | | | | 26 |
| SCARBOROUGH | | N25 | | | | 33 |
| SCARBOROUGH | | U25 | | | | 42 |
| SCARBOROUGH CASTLE /EMPIRE PEACEMAKER | | K536 | | | | 23 |
| SCARRON | | FY1913 | | | | 15 |
| SCAWFELL | | 4.22 | | | | 14 |
| SCAWFELL | | J103 | | | | 22 |
| SCEPTRE | | H79 | | 1917 | | 18 |
| SCEPTRE | | F17 | | 1917 | | 12 |
| SCEPTRE | | P65 | | 1943-49 | | 80 |
| SCEPTRE | | P215 | | 1943-49 | | 80 |
| SCEPTRE | | S104 | | 1976- | | 83 |
| SCHELDE | | W156 | | | | 43 |
| SCIMITAR | | F46 | | 1920 | | 12 |
| SCIMITAR | | H21 | | | | 18 |
| SCIMITAR | | P271 | | | | 37 |
| SCIMITAR | | P284 | | | | 37 |
| SCOMBER | | Z183 | | | | 48 |
| SCORCHER | | S43 | | | | 98 |
| SCORCHER | | P258 | | 1944-62 | | 80 |
| SCORCHER | | S58 | | 1944-62 | | 83 |
| SCORPION | | D64 | | 1948/71 EX G64 | | 9 |
| SCORPION | | D90 | | 1915/18 REN HC3 | | 9 |
| SCORPION | | G64 | | | | 17 |
| SCORPION | | HC3 | | 1918 | | 18 |
| SCORPION | | H30 | | 1919 | | 18 |
| SCORPION | | T67 | | | | 41 |
| SCORPION | | G72 | | EX SENTINEL TO | | 17 |
| SCORPION | | G84 | | EX TOMAHAWK EX CENTAUR | | 17 |
| SCOTOL | | A161 | | AOR | | 2 |
| SCOTOL | | X61 | | | | 45 |
| SCOTSMAN | | H52 | | 1924 | | 18 |
| SCOTSMAN | | S44 | | | | 98 |
| SCOTSMAN | | P243 | | 1944-64 | | 80 |
| SCOTSMAN | | S143 | | 1944-64 | | 83 |
| SCOTT | | F98 | | 1918 LOST | | 12 |
| SCOTT | | J79 | | | | 22 |
| SCOTT | | N79 | | | | 33 |
| SCOTT | | A131 | | AGS | | 2 |
| SCOTT | | H131 | | AGS | | 18 |
| SCOTT S | | A308 | | AS | | 2 |
| SCOTTISH | | FY245 | | | | 15 |
| SCOURGE | | D96 | | 1915/18 REN H8A | | 9 |
| SCOURGE | | F98 | | 1919 | | 12 |
| SCOURGE | | FY1627 | | | | 15 |
| SCOURGE | | H8A | | 1918 | | 18 |
| SCOURGE | | I51 | | | | 21 |
| SCOURGE | | G01 | | TO DUTCH EVERTSEN | | 17 |
| SCOUT | | H6A | | 1920 | | 18 |
| SCOUT | | H51 | | | | 18 |
| SCOUT | | H6A | | 1920 | | 18 |
| SCYLLA | | 98 | | | | 1 |
| SCYLLA | | F71 | | | | 12 |
| SCYLLA | | C98 | | 1940-50 | | 7 |
| SCYTHE | | H22 | | 1925 | | 18 |
| SCYTHE | | G32 | | SOLD 1931 | | 17 |
| SCYTHIAN | | S34 | | | | 98 |
| SCYTHIAN | | P237 | | 1944-60 | | 80 |
| SCYTHIAN | | S137 | | 1944-60 | | 83 |
| SEA BELLE | | F60 | | | | 11 |
| SEA CENTURION | | A98 | | | | 2 |
| SEA CLIFF | | K344 | | RCN | | 23 |
| SEA CRUSADER | | A96 | | | | 2 |
| SEA DEVIL | | P244 | | 1945-66 | | 80 |
| SEA DEVIL | | S44 | | 1945-66 | | 83 |
| SEA FOX | | A214 | | | | 2 |
| SEA FOX | | F114 | | A/C TRANS | | 11 |
| SEA GIANT | | W193 | | | | 43 |
| SEA GIANT | | W125 | | | | 43 |
| SEA HOLLY | | FY969 | | | | 15 |
| SEA LION | | S07 | | 1959-87 | | 83 |
| SEA MIST | | FY1640 | | | | 15 |
| SEA MONARCH | | Z115 | | | | 48 |
| SEA NYMPH | | S40 | | | | 98 |
| SEA NYMPH | | P223 | | 1942-48 | | 80 |
| SEA OBIN | | P267 | | CANC | | 80 |
| SEA OF FREEDOM | | T42 | | | | 41 |
| SEA ROBIN | | B60 | | | | 5 |
| SEA ROVER | | P68 | | 1943-49 | | 80 |
| SEA ROVER | | P218 | | 1943-49 | | 80 |
| SEA SALVOR | | A503 | | AG | | 2 |
| SEA SALVOR | | A291 | | AG | | 2 |
| SEA SCOUT | | S11 | | | | 98 |
| SEA SCOUT | | P253 | | 1944-65 | | 80 |
| SEA SCOUT | | S153 | | 1944-65 | | 83 |
| SEABEAR | | F48 | | 1920 | | 12 |
| SEABEAR | | H23 | | 1925 | | 18 |
| SEABEAR | | B802 | | MSF ALGERINE | | 93 |
| SEABEAR | | J333 | | EX RCN ST THOMAS | | 22 |
| SEABEAR | | M333 | | | | 31 |
| SEABREEZE | | FY50 | | | | 15 |
| SEABREEZE | | Z61 | | | | 48 |
| SEADOG | | S10 | | | | 98 |
| SEADOG | | P216 | | 1942-47 | | 80 |
| SEAFIRE | | H19 | | | | 18 |
| SEAFLOWER | | 4.75 | | | | 14 |
| SEAGULL | | J85 | | | | 22 |
| SEAGULL | | N85 | | | | 33 |
| SEAHAM | | J123 | | | | 22 |
| SEAHORSE | | S98 | | | | 83 |
| SEAHORSE | | Y2535 | | HMSTC | | 47 |
| SEAHORSE | | 98S | | | | 75 |
| SEAHORSE | | 98N | | | | 76 |
| SEAHORSE | | N98 | | 1932-40 SUNK | | 77 |
| SEAL | | D77 | | 1914/15 REN D90 | | 9 |
| SEAL | | D90 | | 1915/18 EX D77 REN D75 | | 9 |
| SEAL | | 37M | | | | 75 |
| SEAL | | D75 | | 1918/21 EX D90 | | 9 |
| SEAL | | 37N | | | | 76 |
| SEAL | | N37 | | 1938-40 CAPTURED BY GERMANS IN KATTEGAT | | 77 |
| SEALION | | 72S | | | | 75 |
| SEALION | | 72N | | | | 76 |
| SEALION | | N72 | | 1934-45 | | 77 |
| SEALYHAM | | FY107 | | | | 15 |
| SEALYHAM | | A187 | | AG | | 2 |
| SEALYHAM | | A197 | | AG | | 2 |
| SEAMAN | | W44 | | | | 43 |
| SEAMEW | | T43 | | | | 41 |
| SEARCHER | | D40 | | | | 8 |
| SEARCHER | | F43 | | SOLD 1938 | | 12 |
| SEARCHER | | H20 | | SOLD 1938 | | 18 |
| SEAWOLF | | D96 | | REN H07 IN 1920 | | 9 |
| SEAWOLF | | H07 | | 1925 | | 18 |
| SEAWOLF | | G47 | | SOLD 1931 | | 17 |
| SEAWOLF | | 47S | | | | 75 |
| SEAWOLF | | 47N | | | | 76 |
| SEAWOLF | | N47 | | 1935-45 | | 77 |
| SEDDON | | 4.166 | | | | 14 |
| SEDDON | | FY1993 | | | | 15 |
| SEDGEFLY | | FY122 | | LOST | | 15 |
| SEFTON | | F123 | | LSI | | 11 |
| SEFTON | | M1179 | | | | 31 |
| SEICA | | T310 | | RIN | | 41 |
| SELENE | | S12 | | | | 98 |
| SELENE | | P254 | | 1944-61 | | 80 |
| SELENE | | S154 | | 1944-61 | | 83 |
| SELKIRK | | J18 | | | | 22 |
| SELKIRK | | N18 | | | | 33 |
| SELSEY BILL | | F54 | | | | 11 |
| SELSEY BILL | | B352 | | AD(ARMAMENTS) BILL | | 93 |
| SEMLA | | 4.38 | | | | 14 |
| SENATEUR HUHAMEL | | FY327 | | LOST FRENCH | | 15 |
| SENATOR | | D02 | | 1920/36 | | 9 |
| SENESCHAL | | P255 | | 1945-60 | | 80 |
| SENESCHAL | | S75 | | 1945-60 | | 83 |
| SENGA | | B17 | | | | 5 |
| SENNEN | | Y21 | | EX US | | 47 |
| SENTINEL | | I43 | | | | 21 |
| SENTINEL | | G07 | | REN SCORPION | | 17 |
| SENTINEL | | P256 | | 1945-62 | | 80 |
| SENTINEL | | S56 | | 1945-62 | | 83 |
| SEPOY | | J343 | | | | 22 |
| SEPOY | | D03 | | 1919/32 | | 9 |
| SERAPH | | D04 | | 1919/34 | | 9 |
| SERAPH | | P219 | | 1941-65 | | 80 |
| SERAPH | | S89 | | 1941-65 | | 83 |
| SERAPIS | | D58 | | 1929/30 | | 9 |
| SERAPIS | | I88 | | | | 21 |
| SERAPIS | | G94 | | TO DUTCH PIET HEIN | | 17 |
| SERAPIS | | H2A | | 1919 | | 18 |
| SERBOL | | A162 | | AOR | | 2 |
| SERBOL | | X62 | | | | 45 |
| SERBOL | | B521 | | AO | | 93 |
| SERENE | | H25 | | | | 18 |
| SERENE | | J354 | | EX LEASIDE | | 22 |
| SERENE | | M354 | | | | 31 |
| SERVITOR | | FY1673 | | | | 15 |
| SESAME | | D98 | | 1920 EX F5A REN H35 | | 9 |
| SESAME | | H35 | | 1922 EX F5A EX D98 | | 18 |
| SESAME | | W144 | | | | 43 |
| SESAME | | F5A | | REN D98 REN H35 SOLD 1934 | | 12 |
| SETHON | | FY883 | | | | 15 |
| SETTER | | A189 | | AG | | 2 |
| SETTER | | FY339 | | | | 15 |
| SETTSU | | Z140 | | | | 48 |
| SEVERN | | 57F | | | | 75 |
| SEVERN | | 57N | | | | 76 |
| SEVERN | | N57 | | 1934-46 | | 77 |
| SEVERN | | P282 | | PP | | 37 |
| SEVRA | | FY1652 | | | | 15 |
| SEYCHELLES | | K592 | | | | 23 |
| SEYMOUR | | H15 | | | | 18 |
| SEYMOUR | | D08 | | REN H15 | | 9 |
| SEYMOUR | | G00 | | | | 17 |
| SEYMOUR | | K563 | | | | 23 |
| SGB 1 | | 5301 | | | | 40 |
| SGB 2 | | 5302 | | | | 40 |
| SHACKLETON S | | A310 | | AGS | | 2 |
| SHAH | | D21 | | 1943-45 L/ LEASE | | 8 |
| SHAH | | R312 | | ESCORT CARRIER | | 97 |
| SHAKESPEARE | | D50 | | 1919/36 EX F89 | | 9 |
| SHAKESPEARE | | F89 | | 1918/19 | | 12 |
| SHAKESPEARE | | S13 | | | | 98 |
| SHAKESPEARE | | P221 | | 1941-46 | | 80 |
| SHAKO | | FY1657 | | | | 15 |
| SHALFORD | | P3101 | | | | 37 |
| SHALIMAR | | P242 | | 1943-50 | | 80 |
| SHAMROCK | | FY768 | | | | 15 |
| SHAMROCK | | H06 | | | | 18 |
| SHAMSHER | | K392 | | RIN | | 23 |
| SHANDWICK | | FY1587 | | | | 15 |
| SHAPINSAY | | T176 | | | | 41 |
| SHARK | | H04 | | 1914 | | 18 |
| SHARK | | I97 | | | | 21 |
| SHARK | | D05 | | 1918/31 | | 9 |
| SHARK | | G03 | | TO NORWAY SVENNER LOST | | 17 |
| SHARK | | 54S | | | | 75 |
| SHARK | | 54N | | | | 76 |
| SHARK | | N54 | | 1934-40 SUNK | | 77 |
| SHARPSHOOTER | | F61 | | 1917/21 | | 12 |
| SHARPSHOOTER | | H91 | | | | 18 |
| SHARPSHOOTER | | J68 | | | | 22 |
| SHARPSHOOTER | | N68 | | | | 33 |
| SHAVINGTON | | M1180 | | MS | | 31 |
| SHAWINIGAN | | K136 | | RCN LOST | | 23 |
| SHEARWATER | | K02 | | | | 23 |
| SHEARWATER | | L39 | | | | 25 |
| SHEDIAC | | K110 | | RCN | | 23 |
| SHEEN | | FY51 | | | | 15 |
| SHEEN | | Z64 | | | | 48 |
| SHEEPDOG | | A250 | | AG | | 2 |
| SHEFFIELD | | 24 | | | | 1 |
| SHEFFIELD | | D80 | | 1971/82 LOST | | 9 |
| SHEFFIELD | | F92 | | FF | | 12 |
| SHEFFIELD | | F96 | | FF | | 12 |
| SHEFFIELD | | C24 | | 1936-67 | | 7 |
| SHELDON | | 4.143 | | | | 14 |
| SHELDRAKE | | H23 | | 1919 | | 18 |
| SHELDRAKE | | L06 | | | | 25 |
| SHELDRAKE | | P26 | | | | 37 |
| SHELDRAKE | | H0A | | 6576 | | 18 |
| SHELDRAKE | | H88 | | | | 18 |
| SHELDRAKE | | K06 | | | | 23 |
| SHELDRAKE | | M06 | | | | 30 |
| SHELLBURN | | 4.439 | | | | 14 |
| SHEMARA | | FY.026 | | | | 13 |
| SHEPHERD LAD | | FY698 | | | | 15 |
| SHEPPARTON | | J248 | | RAN | | 22 |
| SHEPPERTON | | M83 | | | | 29 |
| SHEPPEY | | T292 | | EX RAASAY | | 41 |
| SHERA | | FY1724 | | | | 15 |
| SHERATON | | FY1788 | | | | 15 |
| SHERATON | | M1181 | | | | 31 |
| SHERBROOKE | | K152 | | RCN | | 23 |
| SHERWOOD | | I80 | | | | 21 |
| SHETLAND | | P298 | | PP | | 37 |
| SHIANT | | T170 | | | | 41 |
| SHIEL | | K305 | | | | 23 |
| SHIKA | | FY1664 | | | | 15 |
| SHIKARI | | D85 | | 1919/40 REN I85 | | 9 |
| SHIKARI | | G85 | | | | 17 |
| SHIKARI | | I85 | | | | 21 |
| SHILA | | FY1694 | | | | 15 |
| SHILLAY | | J426 | | | | 22 |
| SHILLAY | | M426 | | | | 31 |
| SHILLAY | | B731 | | DAN LAYER | | 93 |
| SHILLONG | | T250 | | RIN | | 41 |
| SHIPHAM | | M2726 | | | | 31 |
| SHIPPIGAN | | J212 | | | | 22 |
| SHOALHAVEN | | K535 | | RAN | | 23 |
| SHOLAPORE | | T259 | | RIN | | 41 |
| SHOOTING STAR | | FY700 | | | | 15 |
| SHOREHAM | | L32 | | | | 25 |
| SHOREHAM | | U32 | | | | 42 |
| SHOREHAM | | M112 | | MHC | | 31 |
| SHOULTON | | M1182 | | MH | | 31 |
| SHOVA | | FY1696 | | | | 15 |
| SHOWER | | FY52 | | | | 15 |
| SHOWER | | Z81 | | | | 48 |
| SHREWSBURY CASTLE /TUNSBERG CASTLE | | K374 | | NORWAY LOST | | 23 |
| SHRIVENHAM | | M2728 | | | | 31 |
| SHROPSHIRE | | 73 | | | | 1 |
| SHROPSHIRE | | C73 | | 1928 LOAN RAN 1943-55 | | 7 |
| SHROPSHIRE | | C34 | | RAN | | 94 |
| SHUSA | | FY1702 | | | | 15 |
| SHUTTLE | | B44 | | | | 5 |
| SIALKOT | | T321 | | RIN | | 41 |
| SIBYL | | P217 | | 1942-48 | | 80 |
| SICKLE | | P224 | | 1942-44 SUNK | | 80 |
| SICYON | | FY669 | | | | 15 |
| SIDLESHAM | | M2729 | | | | 31 |
| SIDMOUTH | | J47 | | | | 22 |
| SIDMOUTH | | N47 | | | | 33 |
| SIDON | | S39 | | | | 98 |
| SIDON | | P259 | | 1944-55 SUNK ACCIDENT | | 80 |
| SIESTA / ADELPHI | | FY1692 | | | | 15 |
| SIGNA | | FY1709 | | | | 15 |
| SIGNET | | P10 | | | | 37 |
| SIGNET | | Z10 | | | | 48 |
| SIGYN | | XE3 | | BU 1945 IN AUSTRALIA | | 87 |
| SIKH | | L82 | | | | 25 |
| SIKH | | D06 | | 1918/27 | | 9 |
| SIKH | | F82 | | F/G | | 16 |
| SIKH | | G82 | | AS F82 | | 17 |
| SIKH | | H15 | | LOST | | 18 |
| SILANION | | Z116 | | | | 48 |
| SILHOUETTE | | FY1854 | | NORWAY | | 15 |
| SILJA | | FY301 | | | | 15 |
| SILVA | | FY1742 | | | | 15 |
| SILVER DAWN | | FY1629 | | | | 15 |
| SILVER GREY | | 4.183 | | | | 14 |
| SILVER MOON | | B92 | | | | 5 |
| SILVER SEAS | | FY946 | | | | 15 |
| SILVER SKY | | FY1989 | | | | 15 |
| SILVER SPRAY | | FY970 | | | | 15 |
| SILVERTON | | F55 | | | | 12 |
| SILVIO | | F160 | | EX EMPIRE HALBERD LSI | | 11 |
| SIMBRA | | FY321 | | | | 15 |
| SIMBRA | | FY324 | | | | 15 |
| SIMMERSON | | 4.278 | | | | 14 |
| SIMOOM | | G1A | | 1916 | | 17 |
| SIMOOM | | P225 | | 1942-43 SUNK | | 80 |
| SIMOON | | H53 | | 1927 | | 18 |
| SIMPSON | | FY545 | | | | 15 |
| SIND | | J320 | | RIN | | 22 |
| SIND | | K274 | | RIN | | 23 |
| SIND | | K274 | | RIN | | 23 |
| SINDONIS | | FY120 | | LOST | | 15 |
| SINGLETON | | M1183 | | | | 31 |
| SIOUX | | D81 | | EX VIXEN BPG EX R64 REN R64 | | 9 |
| SIOUX | | R64 | | RCN EX VIXEN | | 38 |
| SIOUX | | D81 | | RCN | | 95 |
| SIR AGRAVAINE | | T230 | | | | 41 |
| SIR BEDIVERE | | L3004 | | | | 27 |
| SIR CARADOC | | L3522 | | RFA | | 27 |
| SIR GALAHAD | | T226 | | | | 41 |
| SIR GALAHAD 1 | | L3005 | | | | 27 |
| SIR GALAHAD 2 | | L3005 | | | | 27 |
| SIR GARETH | | T227 | | | | 41 |
| SIR GERAINT | | L3027 | | | | 27 |
| SIR GERAINT | | T240 | | | | 41 |
| SIR JOHN LISTER | | FY622 | | | | 15 |
| SIR KAY | | T241 | | | | 41 |
| SIR LAMORAK | | L3532 | | RFA | | 27 |
| SIR LAMORAK | | T242 | | | | 41 |
| SIR LANCELOT | | L3029 | | | | 27 |
| SIR LANCELOT | | T228 | | | | 41 |
| SIR PERCIVAL | | L3036 | | | | 27 |
| SIR TRISTRAM | | L3505 | | | | 27 |
| SIR TRISTRAM | | T229 | | | | 41 |
| SIR WALTER RALEIGH | | D65 | | | | 8 |
| SIR WM HILARY | | B19 | | | | 5 |
| SIRDAR | | D59 | | 1918/34 | | 9 |
| SIRDAR | | S21 | | | | 98 |
| SIRDAR | | P226 | | 1943-65 | | 80 |
| SIRDAR | | S76 | | 1943-65 | | 83 |
| SIRIUS | | 82 | | | | 1 |
| SIRIUS | | F40 | | | | 12 |
| SIRIUS | | 266 | | RAN | | 35 |
| SIRIUS | | C82 | | 1940-56 | | 7 |
| SIRRA | | FY1700 | | | | 15 |
| SISTER ANNE | | F47 | | | | 11 |
| SITA | | FY703 | | | | 15 |
| SKATE | | F46 | | | | 12 |
| SKATE | | D16 | | 1931/37? | | 9 |
| SKATE | | D35 | | REN 1935 TO H39 | | 9 |
| SKATE | | D39 | | 1920/38 REN H39 | | 9 |
| SKATE | | H39 | | | | 18 |
| SKEENA | | D59 | | 1930/40 REN I59 RCN LOST | | 9 |
| SKEENA | | H01 | | | | 18 |
| SKEENA | | I59 | | | | 21 |
| SKIDDAW | | 4.301 | | | | 14 |
| SKIDDAW | | J80 | | | | 22 |
| SKILFUL | | G51 | | | | 17 |
| SKILFUL | | H41 | | | | 18 |
| SKILLAY | | T426 | | | | 41 |
| SKIPJACK | | J300 | | | | 22 |
| SKIPJACK | | M17 | | | | 31 |
| SKIPJACK | | N38 | | | | 33 |
| SKIPJACK | | J38 | | LOST | | 22 |
| SKOKHOLM | | T376 | | | | 41 |
| SKOMER | | DV16 | | | | 10 |
| SKOMER | | T381 | | DV 16 | | 41 |
| SKUD IV | | FY1792 | | REN STATE | | 15 |
| SKUD V | | FY1806 | | REN SURGE | | 15 |
| SKUD VI | | FY1676 | | | | 15 |
| SKYE | | T163 | | | | 41 |
| SKYE | | M163 | | | | 31 |
| SKYWRACK | | 4.195 | | | | 14 |
| SLAZAK | | L26 | | POLISH EX BEDALE | | 26 |
| SLEIPNER | | H48 | | NORWAY | | 18 |
| SLEUTH | | S35 | | | | 98 |
| SLEUTH | | P261 | | 1944-58 | | 80 |
| SLEUTH | | S61 | | 1944-58 | | 83 |
| SLINGER | | L123 | | | | 27 |
| SLINGER | | A452 | | A/C | | 2 |
| SLINGER | | D26 | | 1943-46 L/ LEASE | | 8 |
| SLINGER | | A452 | | | | 91 |
| SLINGER | | R313 | | ESCORT CARRIER | | 97 |
| SLIPSTREAM | | B56 | | | | 5 |
| SLUGA | | FY1773 | | | | 15 |
| SLUNA | | T177 | | | | 41 |
| SLUYS | | D60 | | 1948/66 EX R60 | | 9 |
| SLUYS | | R60 | | | | 38 |
| SMALVLEI | | T515 | | | | 41 |
| SMILAX | | K280 | | RCN | | 23 |
| SMILAX | | K280 | | RCN | | 23 |
| SMITER | | D55 | | | | 8 |
| SMITER | | R321 | | ESCORT CARRIER | | 97 |
| SMITER | | P272 | | PP | | 37 |
| SMITHS FALLS | | K345 | | RCN | | 23 |
| SML322 | | A322 | | EX HDML1053 | | 2 |
| SNAEFELL | | J118 | | | | 22 |
| SNAKEFLY | | FY575 | | | | 15 |
| SNAP | | FY1589 | | | | 15 |
| SNAPDRAGON | | K10 | | LOST | | 23 |
| SNAPDRAGON | | M10 | | | | 30 |
| SNAPPER | | 39S | | | | 75 |
| SNAPPER | | 39N | | | | 76 |
| SNAPPER | | N39 | | 1934-41 SUNK | | 77 |
| SNIPE | | F20 | | | | 12 |
| SNIPE | | M1102 | | RAN EX ALCASTON | | 31 |
| SNIPE* | | U20 | | * CHANGED NUMBERS | | 42 |
| SNIPE* | | U44 | | * CHANGED NUMBERS | | 42 |
| SNOWBERRY | | K166 | | RCN | | 23 |
| SNOWDRIFT | | FY1842 | | NORWAY | | 15 |
| SNOWDROP | | K67 | | | | 23 |
| SNOWDROP | | M67 | | | | 30 |
| SNOWFLAKE | | K211 | | | | 23 |
| SNOWFLAKE | | K211 | | | | 23 |
| SOBERTON | | M1200 | | MS | | 31 |
| SOBKRA | | FY331 | | | | 15 |
| SOEMBA | | T199 | | DUTCH | | 41 |
| SOETVLEI | | T462 | | | | 41 |
| SOIKA | | FY1755 | | | | 15 |
| SOKOL | | N97 | | POLISH REN P97 1946 BU 1949 | | 77 |
| SOLEBAY | | D70 | | 1948/67 EX R70 | | 9 |
| SOLEBAY | | R70 | | | | 38 |
| SOLENT | | S36 | | | | 98 |
| SOLENT | | P262 | | 1944-61 | | 80 |
| SOLENT | | S62 | | 1944-61 | | 83 |
| SOLITAIRE | | FY1674 | | | | 15 |
| SOLON | | FY601 | | | | 15 |
| SOLSTICE | | FY937 | | | | 15 |
| SOLVRA | | FY334 | | | | 15 |
| SOLWAY FIRTH | | B328 | | AD (HULL REPAIR) FIRTH | | 93 |
| SOLWAY FIRTH | | F190 | | | | 11 |
| SOMALI | | F33 | | F/G | | 16 |
| SOMALI | | G33 | | LOST WAS F33 | | 17 |
| SOMALILAND | | K594 | | | | 23 |
| SOMERLEYTON | | M1139 | | EX GAMSTON | | 31 |
| SOMERSET | | F82 | | FF | | 12 |
| SOMME | | D07 | | 1919/32 | | 9 |
| SOMME 1945 | | I31 | | CANC | | 21 |
| SONA | | FY.027 | | | | 13 |
| SONAVATI | | 4.206 | | RIN | | 14 |
| SONDRA | | FY345 | | | | 15 |
| SONNET | | P47 | | | | 37 |
| SONNET | | Z47 | | | | 48 |
| SORANUS | | FY510 | | | | 15 |
| SORCERESS | | B91 | | | | 5 |
| SORCERESS | | G94 | | | | 17 |
| SORCERESS | | H66 | | | | 18 |
| SORREL | | K153 | | RCN | | 23 |
| SORSRA | | FY342 | | | | 15 |
| SOUTHAMPTON | | 83 | | | | 1 |
| SOUTHAMPTON | | D90 | | 1979/ | | 9 |
| SOUTHAMPTON | | C83 | | 1936-41 LOST | | 7 |
| SOUTHCOATES | | 4.14 | | | | 14 |
| SOUTHDOWN | | L25 | | | | 25 |
| SOUTHDOWN | | L25 | | | | 26 |
| SOUTHDOWN | | F25 | | | | 12 |
| SOUTHERN BARRIER | | T468 | | | | 41 |
| SOUTHERN BREEZE | | FY318 | | | | 15 |
| SOUTHERN CHIEF | | FY304 | | | | 15 |
| SOUTHERN FIELD | | FY1790 | | | | 15 |
| SOUTHERN FLOE | | T466 | | | | 41 |
| SOUTHERN FLOWER | | FY332 | | | | 15 |
| SOUTHERN FOAM | | FY1796 | | | | 15 |
| SOUTHERN GEM | | K247 | | | | 23 |
| SOUTHERN GEM | | K247 | | | | 23 |
| SOUTHERN ISLES | | 4.234 | | | | 14 |
| SOUTHERN ISLES | | T469 | | | | 41 |
| SOUTHERN MAID | | T467 | | | | 41 |
| SOUTHERN PRIDE | | K249 | | | | 23 |
| SOUTHERN PRIDE | | K249 | | | | 23 |
| SOUTHERN PRINCE | | M47 | | | | 29 |
| SOUTHERN PRINCE | | B403 | | ACCOM SHIP | | 93 |
| SOUTHERN PRINCE | | B493 | | | | 93 |
| SOUTHERN SEAS | | T470 | | | | 41 |
| SOUTHERN SHORE | | FY326 | | | | 15 |
| SOUTHERN SPRAY | | FY323 | | | | 15 |
| SOUTHERN STAR | | FY329 | | | | 15 |
| SOUTHERN WAVE | | FY325 | | | | 15 |
| SOUTHGATE | | Z25 | | EX BVS | | 48 |
| SOUTHSEA | | J113 | | | | 22 |
| SOUTHWARD HO | | 4.43 | | | | 14 |
| SOUTHWOLD | | L10 | | LOST | | 26 |
| SOVEREIGN | | S108 | | 1973- | | 83 |
| SPA | | A192 | | | | 2 |
| SPA | | X92 | | | | 45 |
| SPABECK | | X19 | | | | 44 |
| SPABECK | | X19 | | | | 45 |
| SPABECK | | A227 | | AG | | 2 |
| SPABROOK | | A224 | | AG | | 2 |
| SPABROOK | | X127 | | | | 45 |
| SPABURN | | A257 | | | | 2 |
| SPABURN | | X122 | | | | 45 |
| SPALAKE | | A260 | | | | 2 |
| SPALAKE | | X123 | | | | 45 |
| SPANIARD | | FY144 | | | | 15 |
| SPANIEL | | A201 | | AG | | 2 |
| SPANIEL | | FY348 | | | | 15 |
| SPANKER | | J226 | | | | 22 |
| SPANKER | | M226 | | | | 31 |
| SPANKER | | Y3.3 | | | | 53 |
| SPAPOOL | | A222 | | AG | | 2 |
| SPAPOOL | | X124 | | | | 45 |
| SPARHAM | | M2731 | | | | 31 |
| SPARK | | S22 | | | | 98 |
| SPARK | | P236 | | 1943-49 | | 80 |
| SPARKLER | | A504 | | | | 2 |
| SPARROW | | F71 | | | | 12 |
| SPARROW* | | U61 | | * CHANGED NUMBERS | | 42 |
| SPARROW* | | U71 | | * CHANGED NUMBERS | | 42 |
| SPARROWHAWK | | H61 | | 1914/16 | | 18 |
| SPARROWHAWK | | D08 | | 1920/31 | | 9 |
| SPARTAN | | 95 | | LOST 1944 | | 1 |
| SPARTAN | | C95 | | 1942-44 LOST | | 7 |
| SPARTAN | | S105 | | 1978- | | 83 |
| SPARTAN | | S111 | | 1978- | | 83 |
| SPEAKER | | D90 | | | | 8 |
| SPEAKER | | A453 | | | | 91 |
| SPEAKER | | R314 | | ESCORT CARRIER | | 97 |
| SPEAR | | D09 | | 1919/26 | | 9 |
| SPEAR | | G30 | | CANC | | 17 |
| SPEARFISH | | 69S | | | | 75 |
| SPEARFISH | | 69N | | | | 76 |
| SPEARFISH | | N69 | | 1936-40 SUNK | | 77 |
| SPEARHEAD | | S42 | | | | 98 |
| SPEARHEAD | | P263 | | 1944-48 SOLD PORTUGAL AS NEPTUNO | | 80 |
| SPEEDWELL | | J87 | | | | 22 |
| SPEEDWELL | | N87 | | | | 33 |
| SPEEDY | | J17 | | | | 22 |
| SPEEDY | | N17 | | | | 33 |
| SPEEDY | | G36 | | 1920 | | 17 |
| SPEEDY | | P296 | | | | 37 |
| SPENDRIFT | | FY1644 | | | | 15 |
| SPENSER | | F90 | | 1918/19 | | 12 |
| SPENSER | | D40 | | 1919/36 EX F90 | | 9 |
| SPENSER | | F0A | | 1917 | | 12 |
| SPETSAI | | H38 | | GREECE | | 18 |
| SPEY | | K246 | | | | 23 |
| SPEY | | K246 | | | | 23 |
| SPEY | | M2013 | | | | 31 |
| SPEY pp | | P234 | | | | 37 |
| SPHENDONI | | H45 | | GREECE | | 18 |
| SPHENE | | FY249 | | | | 15 |
| SPHINX | | J69 | | LOST | | 22 |
| SPHINX | | N69 | | | | 33 |
| SPIKENARD | | K198 | | RCN LOST | | 23 |
| SPINA | | FY1717 | | | | 15 |
| SPINDRIFT | | HA7 | | 1927 | | 18 |
| SPINDRIFT | | H57 | | 1923 | | 18 |
| SPINET | | Z26 | | | | 48 |
| SPIRAEA | | K08 | | | | 23 |
| SPIRIT | | S23 | | | | 98 |
| SPIRIT | | P245 | | 1943-50 | | 80 |
| SPIRIT | | S45 | | 1943-50 | | 83 |
| SPITEFUL | | D76 | | 1918/20 EX D91 | | 9 |
| SPITEFUL | | D91 | | 1915/18 EX P73 REN D76 | | 9 |
| SPITEFUL | | S24 | | | | 98 |
| SPITEFUL | | P227 | | 1943-52 LOANED FRENCH 1952-58 AS SIRENE BU 1963 | | 80 |
| SPITEFUL | | S07 | | 1943-52 LOANED FRENCH AS SIRENE 1952-58 BU 1963 | | 83 |
| SPITEFUL | | P73 | | 1914 | | 36 |
| SPITFIRE | | H1A | | 1918/19 | | 18 |
| SPITFIRE | | H41 | | 1914/18 | | 18 |
| SPITFIRE | | H85 | | 1919/21 | | 18 |
| SPITFIRE III | | 4.79 | | | | 14 |
| SPLENDID | | D11 | | 1918/31 | | 9 |
| SPLENDID | | P228 | | 1942-43 SCUTTLED | | 80 |
| SPLENDID | | S106 | | 1979- | | 83 |
| SPLENDID | | S112 | | 1979- | | 83 |
| SPORTIVE | | D12 | | 1918/36 | | 9 |
| SPORTSMAN | | P229 | | 1942-51 LOANED FRENCH AS SIBYLLE SUNK 1952 OFF TOULON | | 80 |
| SPORTSMAN | | S129 | | 1942-51 lOANED FRENCH AS SIBYLLE SUNK 1952 OFF TOULON | | 83 |
| SPOSA | | FY309 | | | | 15 |
| SPRAGGE | | K572 | | | | 23 |
| SPRAGGE | | B653 | | DE CAPTAINS | | 93 |
| SPRAYVILLE | | Z258 | | | | 48 |
| SPRIGHTLY | | D62 | | 1914/15 REN D92 | | 9 |
| SPRIGHTLY | | D77 | | 1918/20 EX D92 | | 9 |
| SPRIGHTLY | | D92 | | 1915/18 EX D62 REN D77 | | 9 |
| SPRIGHTLY | | W103 | | | | 43 |
| SPRIGHTLY | | P268 | | CANC | | 80 |
| SPRIGHTLY | | A776 | | | | 91 |
| SPRINGBANK AUX A/AV | | F50 | | | | 11 |
| SPRINGBOK | | F63 | | | | 12 |
| SPRINGBOK | | H40 | | | | 18 |
| SPRINGDALE | | FY1923 | | | | 15 |
| SPRINGDALE | | B426 | | DEPERMING | | 93 |
| SPRINGER | | P264 | | 1945-58 SOLD ISRAEL AS TANIN | | 80 |
| SPRINGER | | S64 | | 1945-58 SOLD ISRAEL AS TANIN | | 83 |
| SPRINGHILL | | K323 | | RCN | | 23 |
| SPRINGHILL | | B642 | | FF RIVER | | 93 |
| SPRINGS | | T478 | | | | 41 |
| SPRINGTIDE | | 4.94 | | | | 14 |
| SPRITE | | W53 | | | | 43 |
| SPRUCE LAKE | | J494 | | RCN | | 22 |
| SPUR | | P265 | | 1944-48 SOLD PORTUGAL AS NARVAL | | 80 |
| SPURN POINT | | F42 | | | | 11 |
| SPURS | | FY168 | | | | 15 |
| SQUALL | | J51 | | | | 22 |
| SQUIRREL | | J301 | | | | 22 |
| SQUIRREL | | M2008 | | EX BURLEY | | 31 |
| SS ATLAS | | B421 | | COLLIER | | 93 |
| SS BACCHUS | | B556 | | AK | | 93 |
| SS BUFFALO PARK | | B585 | | VSIS | | 93 |
| SS CARELIA | | B501 | | TANKER | | 93 |
| SS CITY OF DIEPPE | | B558 | | | | 93 |
| SS CORINDA | | B536 | | ARM STORES | | 93 |
| SS DARST CREEK | | B502 | | TANKER | | 93 |
| SS DARVEL | | B537 | | ARM STORES | | 93 |
| SS DENBIGHSHIRE | | B576 | | VSIS | | 93 |
| SS EDNA | | B424 | | COLLIER | | 93 |
| SS EMPIRE BOSWEL | | B423 | | COLLIER | | 93 |
| SS EMPIRE CHEER | | B433 | | MINE ISSUE | | 93 |
| SS EMPIRE CLYDE | | B394 | | AH | | 93 |
| SS EMPIRE CREST | | B505 | | TANKER | | 93 |
| SS EMPIRE SILVER | | B503 | | TANKER | | 93 |
| SS EMPIRE WOLF | | B422 | | COLLIER | | 93 |
| SS FORT ALABAMA | | B577 | | VSIS FORT | | 93 |
| SS FORT BEAUHARNOIS | | B586 | | VSIS FORT | | 93 |
| SS FORT CHARLOTTE | | B587 | | VSIS FORT | | 93 |
| SS FORT COLVILLE | | B531 | | ASIS FORT | | 93 |
| SS FORT CONSTANTINE | | B578 | | VSIS FORT | | 93 |
| SS FORT DUNVEGAN | | B579 | | VSIS FORT | | 93 |
| SS FORT DUQUESNE | | B588 | | VSIS FORT | | 93 |
| SS FORT EDMONDTON | | B580 | | VSIS FORT | | 93 |
| SS FORT KILMER | | B581 | | VSIS FORT | | 93 |
| SS FORT LANGLEY | | B532 | | VSIS FORT | | 93 |
| SS FORT PROVIDENCE | | B582 | | VSIS FORT | | 93 |
| SS FORT ROSALIE | | B559 | | VSIS FORT | | 93 |
| SS FORT SANDUSKY | | B560 | | VSIS FORT | | 93 |
| SS FORT WAYNE | | B561 | | VSIS FORT | | 93 |
| SS FORT WRANGELL | | B583 | | VSIS FORT | | 93 |
| SS GLENARTNEY | | B584 | | | | 93 |
| SS GOLDEN MEADOW | | B527 | | SMALL TENDER | | 93 |
| SS GUDRUN MAERSK | | B538 | | ARM STORES | | 93 |
| SS GURNA | | B431 | | MINE ISSUE | | 93 |
| SS HERMELIN | | B539 | | ARM STORES | | 93 |
| SS HERON | | B540 | | ARM STORES | | 93 |
| SS IERE | | B528 | | SMALL TENDER | | 93 |
| SS JAARSTROOM | | B562 | | VSIS | | 93 |
| SS KHETI | | B541 | | ARM STORES | | 93 |
| SS KISTNA | | B542 | | ASIS (ARMAMENT STORES ISSUING SHIP NOT ESCORT SLOOP) | | 93 |
| SS KOLA | | B543 | | ARM STORES | | 93 |
| SS LOMO NOVIO | | B504 | | TANKER | | 93 |
| SS MARUDU | | B563 | | VSIS | | 93 |
| SS OPHIR | | B397 | | AH | | 93 |
| SS OXFORDSHIRE | | B398 | | AH | | 93 |
| SS PACHECO | | B544 | | ARM STORES | | 93 |
| SS PRINCE DE LIEGE | | B545 | | ARM STORES | | 93 |
| SS PRINSES MARIA | | B546 | | ARM STORES | | 93 |
| SS PROME | | B432 | | MINE ISSUE | | 93 |
| SS ROBERT MAERSK | | B547 | | ARM STORES | | 93 |
| SS SEVEN SISTERS | | B529 | | SMALL TENDER | | 93 |
| SS SLESVIG | | B565 | | VSIS | | 93 |
| SS TJITJALENGKA | | B399 | | AH | | 93 |
| SS VASNA | | B400 | | AH | | 93 |
| ST ABBS | | W02 | | LOST | | 43 |
| ST ADRIAN | | 4.63 | | | | 14 |
| ST AGNES | | T352 | | | | 41 |
| ST AHILLEUS | | FY152 | | LOST | | 15 |
| ST ALBANS | | F83 | | FF | | 12 |
| ST ALBANS | | I15 | | NORWAY | | 21 |
| ST ALBANS | | I15 | | USSR DOSTOJNYJ | | 21 |
| ST AMANDUS | | FY176 | | | | 15 |
| ST ANDRONICUS | | FY111 | | | | 15 |
| ST ANN | | J176 | | | | 22 |
| ST ANTHONY | | 4.149 | | RIN | | 14 |
| ST ARCADIUS | | FY135 | | LOST | | 15 |
| ST ATTALUS | | FY183 | | | | 15 |
| ST AUSTELL BAY | | F63 | | 1951 | | 12 |
| ST AUSTELL BAY | | B613 | | FF BAY | | 93 |
| ST AUSTELL BAY | | F433 | | | | 12 |
| ST AUSTELL BAY | | F634 | | | | 12 |
| ST AUSTELL BAY | | K634 | | | | 23 |
| ST BLAZEY | | W46 | | | | 43 |
| ST BONIFACE | | J332 | | RCN | | 22 |
| ST BREOCK | | W56 | | LOST | | 43 |
| ST BRIDES BAY | | B614 | | FF BAY | | 93 |
| ST BRIDES BAY | | F600 | | | | 12 |
| ST BRIDES BAY | | K600 | | | | 23 |
| ST CALM | | FY726 | | | | 15 |
| ST CATHAN | | FY234 | | LOST | | 15 |
| ST CATHARINES | | B643 | | FF RIVER | | 93 |
| ST CATHARINES | | K325 | | RCN | | 23 |
| ST CELESTIN | | Z104 | | | | 48 |
| ST CLAIR | | I65 | | RCN | | 21 |
| ST CLEARS | | W06 | | | | 43 |
| ST CRAN | | T235 | | | | 41 |
| ST CROIX | | I81 | | RCN LOST | | 21 |
| ST CYRUS | | W47 | | LOST | | 43 |
| ST DAVIDS | | M07 | | | | 31 |
| ST DAY | | W55 | | | | 43 |
| ST DOGMAEL | | W66 | | | | 43 |
| ST DOMINICA | | 4.59 | | | | 14 |
| ST ELSTAN | | FY240 | | | | 15 |
| ST FAGAN | | W74 | | LOST | | 43 |
| ST FRANCIS | | I93 | | RCN | | 21 |
| ST GILES | | FY86 | | AUX P/V RAN | | 15 |
| ST GILES | | FY.86 | | | | 56 |
| ST GILES | | B455 | | RESC TUG | | 93 |
| ST HELENA | | K590 | | | | 23 |
| ST HELIER | | 4.255 | | | | 14 |
| ST ISSEY | | W25 | | LOST | | 43 |
| ST JAMES | | D65 | | 1948/61 EX R65 | | 9 |
| ST JAMES | | R65 | | | | 38 |
| ST JOAN | | B06 | | | | 5 |
| ST JOHN | | K456 | | RCN | | 23 |
| ST JOHN | | B644 | | FF RIVER | | 93 |
| ST JOSEPH | | J359 | | RCN | | 22 |
| ST JUST | | W90 | | LOST | | 43 |
| ST KATHERINE | | 4.56 | | | | 14 |
| ST KENNAN | | FY264 | | | | 15 |
| ST KILDA | | T209 | | | | 41 |
| ST KITTS | | D18 | | 1948/61 EX R18 | | 9 |
| ST KITTS | | R18 | | | | 38 |
| ST LAMBERT | | K343 | | RCN | | 23 |
| ST LAURENT | | H83 | | RCN EX CYGNET | | 18 |
| ST LOMAN | | FY276 | | | | 15 |
| ST LUCIA | | I42 | | CANC | | 21 |
| ST MARGARET’S | | Z259 | | | | 48 |
| ST MARGARETS | | A259 | | | | 2 |
| ST MARGARETS | | B702 | | CABLE SHIP | | 93 |
| ST MARTIN | | W27 | | | | 43 |
| ST MARYS | | I12 | | | | 21 |
| ST MELANTE | | FY753 | | | | 15 |
| ST MELLONS | | W81 | | | | 43 |
| ST MINIVER | | FY725 | | | | 15 |
| ST MODIVAN | | FY.025 | | | | 13 |
| ST MONANCE | | W63 | | | | 43 |
| ST NAZAIRE | | L125 | | | | 27 |
| ST NECTAN | | 4.139 | | | | 14 |
| ST OLAVES | | W40 | | LOST | | 43 |
| ST OMAR | | W34 | | | | 43 |
| ST PIERRE | | B615 | | FF RIVER | | 93 |
| ST PIERRE | | K680 | | RCN | | 23 |
| ST STEPHEN | | K454 | | RCN | | 23 |
| ST STEPHEN | | B646 | | FF RIVER | | 93 |
| ST SUNNIVA | | 4.32 | | | | 14 |
| ST THOMAS | | K373 | | RCN | | 23 |
| ST THOMAS | | K488 | | RCN | | 23 |
| ST TUDNO | | 4.43 | | | | 14 |
| ST WISTAN | | 4.105 | | | | 14 |
| ST ZENO | | FY280 | | | | 15 |
| STAFFA | | T159 | | | | 41 |
| STAFNES | | FY192 | | | | 15 |
| STAG | | D78 | | 1918/21 EX D43 | | 9 |
| STAG | | D79 | | 1918 EX D68 REN H07 | | 9 |
| STAG | | D43 | | 1915/18 EX P34 REN D78 | | 9 |
| STAG | | P34 | | 1914 | | 36 |
| STAG POOL | | B392 | | DISTIL SHIP | | 93 |
| STALBERG | | Z108 | | | | 48 |
| STALKER | | D91 | | | | 8 |
| STALKER | | L126 | | | | 27 |
| STALWART | | F41 | | 1920 | | 12 |
| STALWART | | W07 | | | | 43 |
| STANDERTON | | T460 | | | | 41 |
| STANLEY | | I73 | | LOST | | 21 |
| STAR | | D68 | | 1915/18 EX P07 REN D79 | | 9 |
| STAR | | P07 | | 1914 | | 36 |
| STAR OF BRITAIN | | FY1678 | | | | 15 |
| STAR OF INDIA | | FY.036 | | | | 13 |
| STAR OF ORKNEY | | FY683 | | | | 15 |
| STAR OF PENTLAND | | FY1668 | | | | 15 |
| STAR OF THE REALM | | Z105 | | | | 48 |
| STAR OF THE WAVE | | FY1590 | | | | 15 |
| STARDUST | | B48 | | | | 5 |
| STARFISH | | 19S | | | | 75 |
| STARFISH | | H70 | | | | 18 |
| STARFISH | | 19N | | | | 76 |
| STARFISH | | N19 | | 1933-40 SUNK | | 77 |
| STARFISH | | S19 | | LOST | | 83 |
| STARLIGHT RAY | | FY1630 | | | | 15 |
| STARLING | | F66 | | | | 12 |
| STARLING | | P241 | | | | 37 |
| STARLING | | U66 | | | | 42 |
| START BAY | | F604 | | | | 12 |
| START BAY | | K604 | | | | 23 |
| START BAY | | B612 | | DEST ESCORT | | 93 |
| STARWORT | | K20 | | | | 23 |
| STATESMAN | | P246 | | 1943-52CLOANED FRENCH 1952-59 AS SULTANE BU 1961 | | 80 |
| STATESMAN | | S46 | | 1943-52 LOANED FRENCH 1952-59 AS SULTANE BU 1961 | | 83 |
| STATICE | | K281 | | | | 23 |
| STATICE | | K281 | | | | 23 |
| STAUNCH | | FY1591 | | | | 15 |
| STAUNCH | | H89 | | 1914 | | 18 |
| STAWELL | | J348 | | RAN | | 22 |
| STAYNER | | K573 | | | | 23 |
| STE. THERESE | | K366 | | RCN | | 23 |
| STEADFAST | | H37 | | 1929 | | 18 |
| STEADFAST | | J375 | | | | 22 |
| STEDHAM | | M2730 | | | | 31 |
| STEENBERG | | T476 | | | | 41 |
| STEEPHOLM | | P55 | | | | 37 |
| STEEPHOLM | | DV17 | | | | 10 |
| STEEPHOLM | | T356 | | DV 17 | | 41 |
| STEFA | | FY1887 | | | | 15 |
| STELLA CANOPUS | | FY248 | | | | 15 |
| STELLA CAPELLA | | FY107 | | LOST | | 15 |
| STELLA CARINA | | FY352 | | | | 15 |
| STELLA DORADO | | FY131 | | LOST | | 15 |
| STELLA LEONIS | | FY706 | | | | 15 |
| STELLA PEGASI | | FY90 | | | | 15 |
| STELLA PEGASI | | FY155 | | | | 15 |
| STELLA POLARIS | | 4.258 | | | | 14 |
| STELLA POLARIS | | FY258 | | | | 15 |
| STELLA RIGEL | | FY657 | | | | 15 |
| STELLARTON | | K457 | | RCN | | 23 |
| STELLENBURG | | T477 | | | | 41 |
| STEPHEN | | L56 | | | | 26 |
| STERETT | | Y34 | | EX US | | 47 |
| STERLET | | 22S | | | | 75 |
| STERLET | | 22N | | | | 76 |
| STERLET | | N22 | | 1937-40 SUNK | | 77 |
| STERNUS | | FY1706 | | | | 15 |
| STETTLER | | K681 | | RCN | | 23 |
| STEVENSTONE | | L16 | | | | 26 |
| STEVENSTONE | | F16 | | | | 12 |
| STEVENSTONE | | B230 | | DEST ESCORT | | 93 |
| STINA | | FY303 | | | | 15 |
| STINGRAY | | B57 | | | | 5 |
| STIRLING | | H31 | | 1929/30 | | 18 |
| STIRLING CASTLE | | M01 | | MH | | 31 |
| STOCKHAM | | K562 | | | | 23 |
| STOIC | | P231 | | 1943-50 | | 80 |
| STOKE | | N33 | | | | 33 |
| STOKE | | J33 | | LOST | | 22 |
| STOKE CITY | | FY232 | | | | 15 |
| STONEAXE | | T14 | | REN LIFFEY | | 41 |
| STONECHAT | | N25 | | | | 34 |
| STONECHAT | | M25 | | | | 29 |
| STONECROP | | K142 | | | | 23 |
| STONEFLY | | FY596 | | | | 15 |
| STONEHENGE | | P232 | | 1943-44 SUNK | | 80 |
| STONETOWN | | K531 | | RCN | | 23 |
| STORA | | FY307 | | | | 15 |
| STORD | | G26 | | | | 17 |
| STORK | | F81 | | | | 12 |
| STORK | | G60 | | 1917 | | 17 |
| STORK | | H90 | | | | 18 |
| STORK | | L81 | | | | 25 |
| STORK | | U81 | | | | 42 |
| STORK | | B297 | | SLOOP BITTERN | | 93 |
| STORM | | S25 | | | | 98 |
| STORM | | P233 | | 1943-49 | | 80 |
| STORM KING | | W87 | | | | 43 |
| STORMCENTRE | | FY1807 | | | | 15 |
| STORMCLOUD | | D89 | | 1919/34 | | 9 |
| STORMCLOUD | | H05 | | 1929/30 | | 18 |
| STORMCLOUD | | J367 | | | | 22 |
| STORMCLOUD | | M367 | | | | 31 |
| STORMONT | | K327 | | RCN | | 23 |
| STORMONT | | B645 | | FF RIVER | | 93 |
| STORMWRACK | | FY1572 | | | | 15 |
| STORNOWAY | | J31 | | | | 22 |
| STORNOWAY | | N31 | | | | 33 |
| STOUR | | D80 | | 1918 REN H83 | | 9 |
| STOUR | | FY1592 | | | | 15 |
| STRAHAN | | J363 | | RAN | | 22 |
| STRAIDE | | 4.121 | | | | 14 |
| STRATAGEM | | P234 | | 1943-44 SUNK | | 80 |
| STRATFORD | | J310 | | RCN | | 22 |
| STRATHADAM | | B616 | | FF RIVER | | 93 |
| STRATHADAM | | K682 | | RCN | | 23 |
| STRATHALLADALE | | 4.458 | | | | 14 |
| STRATHCOE | | FY1594 | | | | 15 |
| STRATHDERRY | | FY1810 | | | | 15 |
| STRATHDEVON | | FY1813 | | | | 15 |
| STRATHELLA | | 4.199 | | | | 14 |
| STRATHELLIOT | | 4.379 | | | | 14 |
| STRATHFINELLA | | 4.459 | | | | 14 |
| STRATHGARRY | | FY1632 | | | | 15 |
| STRATHMARES | | FY1638 | | | | 15 |
| STRATHMARTIN | | 4.437 | | | | 14 |
| STRATHRANNOCK | | FY1648 | | | | 15 |
| STRATHROY | | K455 | | RCN | | 23 |
| STRATHSPEY | | Z161 | | | | 48 |
| STRATHUGIE | | FY1941 | | | | 15 |
| STRATTON | | M1210 | | | | 31 |
| STRENUOUS | | G64 | | | | 17 |
| STRENUOUS | | H03 | | 1928 | | 18 |
| STRENUOUS | | J338 | | | | 22 |
| STRENUOUS | | FY1782 | | | | 15 |
| STRIJDT VOOR CHRISTUS | | 4.269 | | | | 14 |
| STRIKER | | A480 | | | | 2 |
| STRIKER | | L128 | | | | 27 |
| STRIKER | | D12 | | 1942-46 L/ LEASE | | 8 |
| STRIKER | | P285 | | | | 37 |
| STRIKER | | A460 | | | | 91 |
| STRIKER | | R315 | | ESCORT CARRIER | | 97 |
| STRIMON | | FY732 | | GREECE | | 15 |
| STRIVE | | FY922 | | | | 15 |
| STROMA | | T150 | | | | 41 |
| STROMNESS | | A344 | | STORES | | 2 |
| STRONGBOW | | G44 | | | | 17 |
| STRONGBOW | | P235 | | 1943-46 | | 80 |
| STRONGHOLD | | H50 | | LOST | | 18 |
| STRONSAY | | T178 | | | | 41 |
| STRPHON | | FY1829 | | | | 15 |
| STRULE | | K258 | | EX GLENARM TO FRENCH CROIX DE LORRAINE | | 23 |
| STRULE | | K258 | | EX GLENARM TO FRENCH CROIX DE LORRAINE | | 23 |
| STUART | | I00 | | | | 21 |
| STUART | | D00 | | 1920/40 EX F20 RENUMBERED I00 | | 9 |
| STUART | | D04 | | BPF REN I00 | | 9 |
| STUART | | F20 | | 1919/20 | | 12 |
| STUART | | G46 | | 1918/19 | | 17 |
| STUART | | D04 | | RAN | | 95 |
| STUART PRINCE | | D17 | | | | 8 |
| STUBBINGTON | | M1204 | | MS | | 31 |
| STUBBORN | | S41 | | | | 98 |
| STUBBORN | | P238 | | 1942-46 | | 80 |
| STURDY | | F96 | | | | 12 |
| STURDY | | S26 | | | | 98 |
| STURDY | | H28 | | LOST | | 18 |
| STURDY | | P248 | | 1943-57 | | 80 |
| STURDY | | S48 | | 1943-57 | | 83 |
| STURGEON | | 73N | | | | 76 |
| STURGEON | | F47 | | WW1 | | 12 |
| STURGEON | | F49 | | WW1 | | 12 |
| STURGEON | | G17 | | WW1 | | 17 |
| STURGEON | | 73S | | | | 75 |
| STURGEON | | N73 | | 1932-43 TO DUTCH AS ZEEHOND TO 1945 | | 77 |
| STURTON | | FY1595 | | | | 15 |
| STYGIAN | | S27 | | | | 98 |
| STYGIAN | | P249 | | 1943-49 | | 80 |
| STYX | | J440 | | CANC | | 22 |
| SUBMARINE A5 | | II5 | | | | 68 |
| SUBMARINE A6 | | II6 | | | | 68 |
| SUBMARINE A7 | | II7 | | | | 68 |
| SUBMARINE A8 | | II8 | | | | 68 |
| SUBMARINE A9 | | II9 | | | | 68 |
| SUBMARINE AI0 | | II0 | | | | 68 |
| SUBMARINE AI2 | | I02 | | | | 68 |
| SUBMARINE AI3 | | I03 | | | | 68 |
| SUBMARINE AII | | I0I | | | | 68 |
| SUBMARINE B2 | | I22 | | | | 68 |
| SUBMARINE B3 | | I23 | | | | 68 |
| SUBMARINE B4 | | I24 | | | | 68 |
| SUBMARINE B5 | | I25 | | | | 68 |
| SUBMARINE B6 | | I26 | | | | 68 |
| SUBMARINE B7 | | I27 | | | | 68 |
| SUBMARINE B8 | | I28 | | | | 68 |
| SUBMARINE B9 | | I29 | | | | 68 |
| SUBMARINE BI | | I2I | | | | 68 |
| SUBMARINE BI0 | | I20 | | | | 68 |
| SUBMARINE BII | | I00 | | | | 68 |
| SUBMARINE C2 | | I32 | | | | 68 |
| SUBMARINE C20 | | I50 | | | | 68 |
| SUBMARINE C22 | | I52 | | | | 68 |
| SUBMARINE C23 | | I53 | | | | 68 |
| SUBMARINE C24 | | I54 | | | | 68 |
| SUBMARINE C25 | | I55 | | | | 68 |
| SUBMARINE C26 | | I56 | | | | 68 |
| SUBMARINE C27 | | I57 | | | | 68 |
| SUBMARINE C28 | | I58 | | | | 68 |
| SUBMARINE C29 | | I59 | | | | 68 |
| SUBMARINE C2I | | I5I | | | | 68 |
| SUBMARINE C3 | | I35 | | | | 68 |
| SUBMARINE C30 | | I60 | | | | 68 |
| SUBMARINE C32 | | I62 | | | | 68 |
| SUBMARINE C33 | | I63 | | | | 68 |
| SUBMARINE C34 | | I64 | | | | 68 |
| SUBMARINE C35 | | I65 | | | | 68 |
| SUBMARINE C36 | | I66 | | | | 68 |
| SUBMARINE C37 | | I67 | | | | 68 |
| SUBMARINE C38 | | I68 | | | | 68 |
| SUBMARINE C3I | | I6I | | | | 68 |
| SUBMARINE C4 | | I36 | | | | 68 |
| SUBMARINE C5 | | I33 | | | | 68 |
| SUBMARINE C6 | | I34 | | | | 68 |
| SUBMARINE C7 | | I37 | | | | 68 |
| SUBMARINE C8 | | I38 | | | | 68 |
| SUBMARINE C9 | | I39 | | | | 68 |
| SUBMARINE CI | | I3I | | | | 68 |
| SUBMARINE CI0 | | I30 | | | | 68 |
| SUBMARINE CI2 | | I42 | | | | 68 |
| SUBMARINE CI3 | | I43 | | | | 68 |
| SUBMARINE CI4 | | I44 | | | | 68 |
| SUBMARINE CI5 | | I45 | | | | 68 |
| SUBMARINE CI6 | | I46 | | | | 68 |
| SUBMARINE CI7 | | I47 | | | | 68 |
| SUBMARINE CI8 | | I48 | | | | 68 |
| SUBMARINE CI9 | | I49 | | | | 68 |
| SUBMARINE CII | | I4I | | | | 68 |
| SUBMARINE D2 | | I72 | | | | 68 |
| SUBMARINE D3 | | I73 | | | | 68 |
| SUBMARINE D4 | | I74 | | | | 68 |
| SUBMARINE D5 | | I75 | | | | 68 |
| SUBMARINE D6 | | I76 | | | | 68 |
| SUBMARINE D7 | | I77 | | | | 68 |
| SUBMARINE D8 | | I78 | | | | 68 |
| SUBMARINE DI | | I7I | | | | 68 |
| SUBMARINE E10 | | 190 | | | | 68 |
| SUBMARINE E11 | | 191 | | | | 68 |
| SUBMARINE E12 | | 192 | | | | 68 |
| SUBMARINE E13 | | 193 | | | | 68 |
| SUBMARINE E14 | | 194 | | | | 68 |
| SUBMARINE E15 | | 195 | | | | 68 |
| SUBMARINE E16 | | 196 | | | | 68 |
| SUBMARINE E17 | | 197 | | | | 68 |
| SUBMARINE E18 | | 198 | | | | 68 |
| SUBMARINE E19 | | 199 | | | | 68 |
| SUBMARINE E2 | | I82 | | | | 68 |
| SUBMARINE E20 | | I69 | | | | 68 |
| SUBMARINE E22 | | I79 | | | | 68 |
| SUBMARINE E2I | | I70 | | | | 68 |
| SUBMARINE E3 | | 183 | | | | 68 |
| SUBMARINE E4 | | 184 | | | | 68 |
| SUBMARINE E5 | | 185 | | | | 68 |
| SUBMARINE E6 | | 186 | | | | 68 |
| SUBMARINE E7 | | 187 | | | | 68 |
| SUBMARINE E8 | | 188 | | | | 68 |
| SUBMARINE E9 | | 189 | | | | 68 |
| SUBMARINE EI | | I8I | | | | 68 |
| SUBMARINE F1 | | IA0 | | | | 68 |
| SUBMARINE F2 | | IA1 | | | | 68 |
| SUBMARINE F3 | | IA2 | | | | 68 |
| SUBMARINE G1 | | IA3 | | | | 68 |
| SUBMARINE G10 | | 12C | | | | 60 |
| SUBMARINE G11 | | 13C | | | | 60 |
| SUBMARINE G12 | | 14C | | | | 60 |
| SUBMARINE G13 | | 15C | | | | 60 |
| SUBMARINE G14 | | 16C | | | | 60 |
| SUBMARINE G2 | | IA4 | | | | 68 |
| SUBMARINE G3 | | IA5 | | | | 68 |
| SUBMARINE G4 | | IA6 | | | | 68 |
| SUBMARINE G5 | | IA7 | | | | 68 |
| SUBMARINE G6 | | IA8 | | | | 68 |
| SUBMARINE G7 | | IA9 | | | | 68 |
| SUBMARINE G8 | | 10C | | | | 60 |
| SUBMARINE G9 | | 11C | | | | 60 |
| SUBMARINE S1 | | I04 | | | | 68 |
| SUBMARINE S2 | | I0A | | | | 68 |
| SUBMARINE S3 | | I1A | | | | 68 |
| SUBMARINE V2 | | 13A | | | | 60 |
| SUBMARINE V3 | | 14A | | | | 60 |
| SUBMARINE V4 | | 15A | | | | 60 |
| SUBMARINE VI | | 12A | | | | 60 |
| SUBMARINE W1 | | 16A | | | | 60 |
| SUBMARINE W2 | | 17A | | | | 60 |
| SUBMARINE W3 | | 18A | | | | 60 |
| SUBMARINE W4 | | 19A | | | | 60 |
| SUBTLE | | P251 | | 1944-59 | | 80 |
| SUBTLE | | S51 | | 1944-59 | | 83 |
| SUCCESS | | I53 | | | | 21 |
| SUCCESS | | D24 | | 1914 LOST | | 9 |
| SUCCESS | | G26 | | TO NORWAY STORD | | 17 |
| SUCCOUR | | A505 | | AG | | 2 |
| SUDBURY | | K162 | | RCN | | 23 |
| SUDEROY I | | J01 | | RCN | | 22 |
| SUDEROY II | | J02 | | RCN | | 22 |
| SUDEROY IV | | J03 | | RCN | | 22 |
| SUDEROY V | | J05 | | RCN | | 22 |
| SUDEROY VI | | J06 | | RCN | | 22 |
| SUFFOLK | | 55 | | | | 1 |
| SUFFOLK | | C55 | | | | 7 |
| SUFFOLK | | C181 | | | | 94 |
| SUKHA | | FY1767 | | | | 15 |
| SULHAM | | M2732 | | | | 31 |
| SULLA | | FY1874 | | | | 15 |
| SULLINGTON | | M1184 | | | | 31 |
| SULTAN ADVENTURER | | A103 | | AG | | 2 |
| SULTANHISAR | | H87 | | TURKEY | | 18 |
| SUMA | | FY618 | | | | 15 |
| SUMAR | | FY1003 | | | | 15 |
| SUMATRA | | 40 | | DUTCH | | 1 |
| SUMBRA | | FY297 | | | | 15 |
| SUMMERSIDE | | K141 | | RCN | | 23 |
| SUNBEAM II | | FY913 | | | | 15 |
| SUNDERLAND | | J193 | | | | 22 |
| SUNFISH | | D47 | | 1914/15 REN D2A | | 9 |
| SUNFISH | | D81 | | 1918/20 EX D2A | | 9 |
| SUNFISH | | D2A | | 1915/18 ex D47 REN D81 | | 9 |
| SUNFISH | | 81N | | | | 76 |
| SUNFISH | | 81S | | | | 75 |
| SUNFISH | | N81 | | 1936-44 TO USSR AS B1 SUNK IN ERROR 1944 | | 77 |
| SUNFLOWER | | K41 | | | | 23 |
| SUNFLOWER | | M41 | | | | 30 |
| SUNFLOWER II | | K524 | | | | 23 |
| SUNK BEFORE | | 5307 | | RENAMED | | 40 |
| SUNLIGHT | | FY763 | | | | 15 |
| SUNRISE | | Z203 | | | | 48 |
| SUNSET | | FY54 | | | | 15 |
| SUNSHINE GIRL | | FY300 | | | | 15 |
| SUNSPOT | | FY1876 | | | | 15 |
| SUPERB | | 25 | | | | 1 |
| SUPERB | | C25 | | | | 7 |
| SUPERB | | C185 | | | | 94 |
| SUPERB | | S109 | | 1974-2003 | | 83 |
| SUPERMAN | | W89 | | | | 43 |
| SUPPLY | | A195 | | RAN EX TIDE AUSTRAL | | 2 |
| SUPPORTER | | A158 | | AG | | 2 |
| SUPPORTER | | FY1997 | | | | 15 |
| SUPREME | | S14 | | | | 98 |
| SUPREME | | P252 | | 1944-50 | | 80 |
| SURCAXE | | FY1834 | | | | 15 |
| SURCOUF | | 17P | | FRENCH | | 75 |
| SURCOUF | | P17 | | FRENCH LOST | | 80 |
| SURF | | P239 | | 1942-49 | | 80 |
| SURF PATROL | | A357 | | AOR | | 2 |
| SURF PIONEER | | A365 | | | | 2 |
| SURFACE | | P269 | | CANC | | 80 |
| SURFACE PATROL BOAT | | B7 | | 1905-1919 COMPLETED 1917 AS | | 61A |
| SURFACE PATROL BOAT | | B8 | | 1906-1919 COMPLETED 1917 AS | | 61A |
| SURFACE PATROL BOAT | | B9 | | 1906-1919 COMPLETED 1917 AS | | 61A |
| SURFACE PATROL BOAT | | B10 | | 1906-1916 SUNK WHILE UNDER REPAIR AT VENICE | | 61A |
| SURGE | | P271 | | CANC | | 80 |
| SURLY | | D82 | | 1918/20 EX D3A | | 9 |
| SURLY | | D3A | | 1915/18 ex P30 REN D85 | | 9 |
| SURLY | | P30 | | 1914 | | 36 |
| SURPRISE | | F436 | | | | 12 |
| SURPRISE | | K436 | | | | 23 |
| SURSAY | | J427 | | | | 22 |
| SURSAY | | M427 | | | | 31 |
| SURSAY | | T427 | | | | 41 |
| SUSSEX | | 96 | | | | 1 |
| SUSSEX | | C96 | | | | 7 |
| SUSSEX | | C174 | | | | 94 |
| SUSSEXVALE | | B617 | | FF RIVER | | 93 |
| SUSSEXVILLE | | K683 | | RCN | | 23 |
| SUTHERLAND | | F81 | | FF | | 12 |
| SUTHERNESS | | 4.174 | | | | 14 |
| SUTHERNESS | | FY1563 | | | | 15 |
| SUTLEJ | | U95 | | RIN | | 42 |
| SUTTON | | J78 | | | | 22 |
| SUTTON | | N78 | | | | 33 |
| SUVLA | | L129 | | | | 27 |
| SVANA | | FY1707 | | | | 15 |
| SVEGA | | FY294 | | | | 15 |
| SVENNER | | G03 | | | | 17 |
| SVOLVAER | | FY359 | | NORWAY | | 15 |
| SWALE | | D83 | | 1918/19 EX D31 | | 9 |
| SWALE | | K217 | | | | 23 |
| SWALE | | K217 | | | | 23 |
| SWALE | | D31 | | 1915/18 EX N03 REN D83 | | 9 |
| SWALE | | F217 | | | | 12 |
| SWALE | | N03 | | 1914 | | 32 |
| SWALLOW | | D14 | | 1918/36 | | 9 |
| SWALLOW | | P242 | | | | 37 |
| SWAN | | U74 | | RAN | | 42 |
| SWAN | | A427 | | RAN | | 91 |
| SWAN | | L74 | | RAN | | 25 |
| SWAN II | | FY1880 | | | | 15 |
| SWANSEA | | K328 | | RCN | | 23 |
| SWANSEA | | B618 | | FF RIVER | | 93 |
| SWANSEA CASTLE | | FY1817 | | | | 15 |
| SWANSTON | | M1185 | | | | 31 |
| SWARTEBERG | | T509 | | | | 41 |
| SWARTHY | | W12 | | | | 43 |
| SWASHWAY | | F145 | | LSC | | 11 |
| SWEET PROMISE | | FY971 | | | | 15 |
| SWEETBRIAR | | K209 | | | | 23 |
| SWEETBRIAR | | K209 | | | | 23 |
| SWIFT | | D60 | | | | 9 |
| SWIFT | | I82 | | | | 21 |
| SWIFT | | G46 | | LOST | | 17 |
| SWIFT | | P243 | | | | 37 |
| SWIFT CURRENT | | J254 | | RCN | | 22 |
| SWIFT CURRENT | | J185 | | RCN | | 22 |
| SWIFT WING | | FY927 | | | | 15 |
| SWIFTSURE | | 8 | | | | 1 |
| SWIFTSURE | | C08 | | | | 7 |
| SWIFTSURE | | S126 | | 1971-92 | | 83 |
| SWIFTSURE | | C182 | | | | 94 |
| SWIN | | A506 | | AG | | 2 |
| SWITHA | | A340 | | TCV | | 2 |
| SWITHA | | DV18 | | | | 10 |
| SWITHA | | T179 | | DV18 | | 41 |
| SWONA | | FY1802 | | | | 15 |
| SWORD | | G85 | | EX CELT CANC | | 17 |
| SWORD DANCE | | T132 | | | | 41 |
| SWORDFISH | | 30 | | 1916 MAY HAVE WORN THE PENNANT ICA 30 | | 58 |
| SWORDFISH | | 61S | | | | 75 |
| SWORDFISH | | 61N | | | | 76 |
| SWORDFISH | | N61 | | 1931-40 SUNK | | 77 |
| SWORDSMAN | | F3A | | 1919 | | 12 |
| SWORDSMAN | | H11 | | RAN | | 18 |
| SYBILLE | | H48 | | | | 18 |
| SYCAMORE | | T37 | | | | 41 |
| SYDNEY | | 148 | | | | 20 |
| SYDNEY | | D48 | | | | 8 |
| SYDNEY | | D42 | | RAN | | 9 |
| SYDNEY | | R17 | | RAN | | 39 |
| SYDOSTLUNDET | | T473 | | | | 41 |
| SYLHET | | T329 | | RIN | | 41 |
| SYLPH | | F68 | | 1918 | | 12 |
| SYLVANA | | 4.9 | | | | 14 |
| SYLVIA | | D69 | | 1915/18 EX D23 REN D84 | | 9 |
| SYLVIA | | D84 | | 1918 EX D69 REN H03 | | 9 |
| SYLVIA | | J382 | | | | 22 |
| SYLVIA | | D23 | | 1914/15 REN D69 | | 9 |
| SYLVIA | | M382 | | | | 31 |
| SYREN | | D85 | | 1918/20 EX D93 | | 9 |
| SYREN | | D93 | | 1915/18 EX P72 REN D85 | | 9 |
| SYREN | | P72 | | 1914 | | 36 |
| SYRIAN | | FY1732 | | NORWAY | | 15 |
| SYRINGA | | T55 | | | | 41 |
| SYRTIS | | P241 | | 1943-44 SUNK | | 80 |