S
| Ship | Country | Class and type | Displacement (tons) | First commissioned | Fate |
| Sakawa | Japan | Agano class light cruiser | 6,650 | 30 November 1944 | sunk as target 2 July 1946 |
| Sakura | Japan | Matsu class destroyer | 1,262 | 25 November 1944 | sunk by mine 11 July 1945 |
| Salamis | Greece | B class destroyer | 1,350 | 5 April 1944, (former Boreas | Returned to Royal Navy Sep 1951, scrapped Nov 1951 |
| Salt Lake City | USA | Pensacola class heavy cruiser | 9,100 | 11 December 1929 | sunk as target 1948 |
| Sampson | USA | Somers class destroyer leader | 1,850 | 19 August 1938 | scrapped 1946 |
| USS Samuel B. Roberts | USA | Butler class destroyer escort | 1,370 | 28 April 1944 | sunk 25 October 1944 Battle of Samar |
| San Diego | USA | Atlanta class light cruiser | 6,000 | 10 January 1942 | decommissioned 1946, scrapped 1960 |
| San Francisco | USA | New Orleans class heavy cruiser | 9,950 | 10 February 1934 | Decommissioned 10 February 1946, scrapped 1959 |
| San Giorgio | Italy | San Giorgio class heavy cruiser | 10,167 | 1 July 1910 | decommissioned 22 January 1941 |
| San Jacinto | USA | Independence class light carrier | 11,000 | 15 November 1943 | decommissioned 1 March 1947, scrapped 1972 |
| San Juan | Argentina | Buenos Aires class destroyer | 1,375 | Discarded 1973 | |
| San Juan | USA | Atlanta class light cruiser | 6,000 | 28 February 1942 | decommissioned 1946, scrapped 1961 |
| San Luis | Argentina | Buenos Aires class destroyer | 1,375 | Discarded 3 May 1971 | |
| Santa Cruz | Argentina | Buenos Aires class destroyer | 1,375 | Discarded 1973 | |
| Santa Fe | USA | Cleveland class light cruiser | 11,800 | 24 November 1942 | scrapped 1959 |
| São Paulo | Brazil | Minas Gerais class battleship | 19,200 | 12 July 1910 | Sold 1951 |
| Saratoga | USA | Lexington class fleet carrier | 33,000 | 16 November 1927 | sunk as a target 1946 |
| Satterlee | USA | Gleaves class destroyer | 1,630 | 1 July 1943 | Decommissioned 16 March 1946, scrapped 1972 |
| Saumarez | UK | S class destroyer | 1,710 | 1 July 1943 | scrapped 1950 |
| Savannah | USA | Brooklyn class light cruiser | 9,475 | 10 March 1938 | scrapped 1966 |
| Scharnhorst | Germany | Gneisenau class battleship | 32,000 | 7 January 1939 | sunk 26 December 1943 |
| Schlesien | Germany | Deutschland class pre-dreadnought battleship | 14,218 | 5 May 1908 | blown up 4 May 1945 |
| Schleswig-Holstein | Germany | Deutschland class pre-dreadnought battleship | 14,218 | 6 July 1908 | scrapped after 1946 |
| Schubrick | USA | Gleaves class destroyer | 1,630 | 7 February 1943 | scrapped 1947 |
| Scipione Africano | Italy | Capitani Romani class light cruiser (also known as exploratori oceanici) | 3,750 | ||
| Scylla | UK | Dido class anti-aircraft cruiser | 12 June 1942 | declared constructive total loss 23 June 1944, scrapped May 1950. | |
| Searcher | UK | Ruler class escort aircraft carrier | 11,400 | 3 April 1943 (former USS St. Joseph) | Returned to USN 29 January 1946, sold 31 May 1946 and scrapped |
| Seeadler | Germany | 1923 (Raubvogel) class torpedoboat | 1,290 | 1 May 1927 | sunk 13 May 1942 |
| Selfridge | USA | Porter class destroyer leader | 1,850 | 25 November 1936 | scrapped 1947 |
| Semmes | USA | Clemson class destroyer | 1,250 | 21 February 1920 | scrapped 25 November 1946 |
| Sendai | Japan | Sendai class light cruiser | 5,195 | 29 April 1924 | sunk 2 November 1943 |
| Sénégalais | Free French | Cannon class destroyer escort | 1,240 | 2 January 1944 (former USS Corbestier) | Renamed Yser 1962, decommissioned May 1964 |
| Serrano | Chile | Serrano class destroyer | 1,090 | Discarded 1967 | |
| Seydlitz | Germany | enlarged Admiral Hipper class heavy cruiser | 14,680 | not completed | became Weser (Germany) |
| Sęp | Poland | Orzeł class submarine | 1,100 | 16 April 1939 | decommissioned 15 September 1969 |
| Shah | UK | Ruler class escort aircraft carrier | 11,400 | 27 September 1943 (former USS Jamaica) | Returned to USN 6 December 1945, sold into mercantile service 20 June 1947, renamed Salta |
| Shangri-La | USA | Essex class fleet carrier | 30,800 | 15 September 1944 | decommissioned 30 July 1971, scrapped 1988 |
| Shaw | USA | Mahan class destroyer | 1,450 | 18 September 1936 | scrapped 1946 |
| Shinano | Japan | aircraft carrier | 64,800 | 19 November 1944 | sunk 29 November 1944 |
| Shinyo | Japan | aircraft carrier | 17,500 | sunk 17 November 1944 | |
| Shōhō | Japan | aircraft carrier | 11,260 | sunk 8 May 1942 | |
| Shōkaku | Japan | Shokaku class aircraft carrier | 25,675 | 8 August 1941 | sunk 19 June 1944 |
| Sikh | UK | Tribal class destroyer | 2,020 | 12 October 1938 | sunk 17 January 1941 |
| Sims | USA | Sims class destroyer | 1,570 | 1 August 1939 | sunk 7 May 1942 |
| Skagerak | Germany | Minelayer, converted former Norwegian merchant ship Skagerrak I | 1,281 | 1940 | Sunk 20 January 1944 by Bristol Beaufighters of No. 489 Squadron RNZAF |
| Skeena | Canada | A class destroyer | 1,350 | 10 June 1931 | sunk 25 October 1944 |
| Ślązak | Poland | Hunt class destroyer | 1,050 | 9 May 1942 (former HMS Bedale) | returned to Royal Navy, 28 September 1946. |
| Slinger | UK | Ruler class escort aircraft carrier | 11,400 | 11 August 1943 (former USS Chatham) | returned to USN 27 February 1946, sold into merchant service as Robin Mowbray |
| Smiter | UK | Ruler class escort aircraft carrier | 11,400 | 20 January 1944 (former USS Vermillion) | Returned to USN 6 April 1946, sold into merchant service as Artillero 6 April 1946 |
| Smith | USA | Mahan class destroyer | 1,450 | 19 September 1936 | scrapped 1946 |
| Soemba | Netherlands | Flores class sloop | 1,457 | 12 April 1926 | scrapped June/July 1985 |
| Sollum | Egypt | sloop | 1,290 | ||
| Somali | UK | Tribal class destroyer | 2,020 | 12 December 1938 | sunk 24 September 1942 |
| Somali | Free French | Cannon class destroyer escort | 1,240 | 9 April 1944 (former USS Somali) | Disarmed 1956, used as an experimental vessel |
| Somers | USA | Somers class destroyer leader | 1,850 | 1 December 1937 | scrapped 1947 |
| Sōryū | Japan | Sōryū class aircraft carrier | 15,900 | sunk 5 June 1942 | |
| South Dakota | USA | South Dakota class class battleship | 35,000 | 20 March 1942 | decommissioned 31 January 1947, scrapped 1962 |
| Southampton | UK | Southampton class light cruiser | 9,100 | 6 March 1937 | bombed and scuttled 11 January 1941 |
| Speaker | UK | Ruler class escort aircraft carrier | 11,400 | 20 November 1943 (former USS Delgada) | Returned to USN 17 July 1946, sold into merchant service as Lancero 1948 |
| Spetsai | Greece | modified Freccia class destroyer | 1,350 | 1933 | decommissioned 1946 |
| USS Springfield | USA | Cleveland class light cruiser | 10,160 | 9 September 1944 | converted to Providence Class Guided Missile Cruiser 1960, decommissioned 1974, scrapped 1980 |
| St Albans | Norway | Town class destroyer | 1,190 | Apr 1942 (former HMS St Albans) | returned to RN 1943 |
| St. Louis | USA | St. Louis class light cruiser | 10,000 | 19 May 1939 | to Brazil as Tamandare 1951, sunk under tow 1980 |
| USS St Paul | USA | Baltimore class heavy cruiser | 17,200 | 17 February 1945 | decommissioned 1971, scrapped 1980 |
| Stack | USA | Benham class destroyer | 1,500 | 20 November 1939 | scuttled after A-bomb test 1948 |
| Stalker | UK | Attacker class escort aircraft carrier | 11,400 | 21 December 1942 (former USS Hamelin) | Returned to USN 29 December 1945, sold into merchant service as Riouw |
| Sterett | USA | Benham class destroyer | 1,500 | 15 August 1939 | scrapped 1947 |
| Stevenson | USA | Gleaves class destroyer | 1,630 | 15 December 1942 | decommissioned 1946, scrapped 1970 |
| Stewart | USA Japan |
Clemson class destroyer | 1,200 | 15 September 1920 | scuttled 2 March 1942 at Surabaya, Java; raised and recommissioned as Patrol Boat No. 102, 20 September 1943 |
| Stier | Germany | Auxiliary cruiser | 11,000 | 25 November 1939 (former freighter Cairo) | sunk 27 September 1942 |
| Stockton | USA | Gleaves class destroyer | 1,630 | 11 January 1943 | decommissioned 1946, scrapped 1973 |
| Stord | Norway | S class destroyer | 2,400 | 29 September 1943 | scrapped 1959 |
| Strasbourg | France | Dunkerque class | 26,500 | Feb 1939 | scuttled 27 November 1942 |
| Striker | UK | Attacker class escort aircraft carrier | 11,400 | 29 April 1943 (former USS Prince William) | Returned to USN 12 February 1946, scrapped June 1946 |
| Suffren | France Free French |
Suffren class heavy cruiser | 9,940 | 1 January 1930 | scrapped 1974 |
| Surprise | Free French | River class frigate | 1,370 | 1944 (former HMS Torridge) | Transferred to Morocco 1964, renamed Al Maouna |
| Sutlej | India | Black Swan class sloop | 1,250 | 23 April 1941 | |
| Suzuya | Japan | Mogami class heavy cruiser | 15,900 | Oct 1937 | sunk 25 October 1944 |
| Svenner | Norway | S class destroyer | 2,400 | 1 June 1943 | Sunk on D-Day, 6 June 1944 |
| Swale | South Africa | Loch class frigate | 1,370 | 26 July 1945 (former HMS Swale) | Returned to Royal Navy Jan 1946, scrapped Feb 1955 |
| Swanson | USA | Gleaves class destroyer | 1,630 | 29 May 1941 | decommissioned 1945, scrapped 1972 |
| Sydney | Australia | modified Leander class light cruiser | 6,980 | 24 September 1935 | lost 19 November 1941 |
Read more about this topic: List Of World War II Ships