H
| Ship | Country | Class and type | Displacement (tons) | First commissioned | Fate |
| Haguro | Japan | Myoko class heavy cruiser | 13,300 | 25 April 1929 | sunk 16 May 1945 |
| Hai Chao | China | sloop | 1,250 | ||
| Hai Chen | China | gunship | 2,680 | ||
| Hai Chi | China | gunship | 4,300 | ||
| Hai Chou | China | gunship | 2,680 | ||
| Hai Yung | China | gunship | 2,680 | ||
| Haida | Canada | Tribal class destroyer | 2,020 | 30 August 1943 | preserved at Hamilton, Ontario Canada |
| Hambleton | USA | Gleaves class destroyer | 1,630 | 22 December 1941 | decommissioned 1955, scrapped 1972 |
| Hammann | USA | Sims class destroyer | 1,570 | 11 August 1939 | sunk 6 June 1942 |
| Hancock | USA | Ticonderoga class fleet carrier | 30,800 | 15 April 1944 | Decommissioned 30 January 1976, scrapped |
| Hansa | Germany | auxiliary cruiser | 9,138 | 2 February 1944 | scrapped 1971 |
| Hans Lody | Germany | Type 1934A destroyer | 3,100 | 13 September 1938 | scrapped 1946 - 1949 |
| Hans Lüdemann | Germany | Type 1936 destroyer | 3,400 | 8 October 1938 | sunk 13 April 1940 |
| Harald Haarfagre, later Thetis |
Norway, then Germany |
coastal defence ship | 3,858 | 21 March 1898 | captured by Germany 9 April 1940, renamed Thetis, scrapped 1948 |
| Harder | United States | Gato class submarine | 1,525 surfaced | 2 December 1942 | Sunk 24 August 1944 |
| Harding | USA | Gleaves class destroyer | 1,630 | 25 May 1943 | scrapped 1947 |
| Haruna | Japan | Kongō class battleship | 31,660 | sunk 28 July 1945 | |
| Harvester | UK | Havant class destroyer | 1,340 | 23 May 1940 (laid down as Brazilian Jurua) | sunk 11 March 1943 |
| Havant | UK | Havant class destroyer | 1,340 | 19 December 1939 (laid down as Brazilian Javary) | scuttled 1 June 1940 |
| Havelock | UK | Havant class destroyer | 1,340 | 10 February 1940 (laid down as Brazilian Jutahy) | scrapped Oct 1946 |
| Hayatake | Japan | aircraft carrier | |||
| USS Heermann | USA | Fletcher Class destroyer | 2,050 | 6 July 1943 | transfer to Argentina 1961, scrapped 1982 |
| Helena | USA | St. Louis class light cruiser | 10,000 | 18 September 1939 | sunk 6 July 1943 |
| Hekla | Denmark | light cruiser hulk | 1,322 | ||
| Helm | USA | Bagley class destroyer | 1,500 | 16 October 1937 | scrapped 1947 |
| Henley | USA | Bagley class destroyer | 1,500 | 14 August 1937 | sunk 3 October 1943 |
| Hermann Künne | Germany | Type 1936 destroyer | 3,400 | 12 January 1939 | sunk 13 April 1940 |
| Hermann Schoemann | Germany | Type 1934A destroyer | 3,100 | 9 September 1937 | sunk 2 May 1942 |
| Hermes | UK | aircraft carrier | 10,850 | 7 July 1923 | sunk 9 April 1942 |
| Herndon | USA | Gleaves class destroyer | 1,630 | 20 December 1942 | decommissioned 1946, sunk as target 1973 |
| Hesperus | UK | Havant class destroyer | 1,340 | 22 January 1940 (laid down as Brazilian Juruena) | scrapped November 1946 |
| Highlander | UK | Havant class destroyer | 1,340 | 18 March 1940 (laid down as Brazilian Jaguaribe) | scrapped May 1946 |
| Hindustan | India | Folkestone class sloop | 1,045 | 10 October 1930 | Transferred to Pakistan 1948, renamed Karsaz |
| Hiryū | Japan | Sōryū class aircraft carrier | 17,300 | 5 July 1939 | sunk 5 June 1942 |
| Hiei | Japan | Kongō class battleship | 36,600 | 1914 | sunk 14 November 1942 |
| Hilary P. Jones | USA | Benson class destroyer | 1,620 | 6 September 1940 | to Taiwan 1954, scrapped 1974 |
| Hiyō | Japan | Hiyō class aircraft carrier | 24,140 | 31 July 1942 | sunk 20 June 1944 |
| Hobart | Australia | modified Leander class light cruiser | 6,980 | 28 September 1938 | scrapped 1962 |
| Hobby | USA | Benson class destroyer | 1,620 | 18 November 1942 | decommissioned 1946, sunk as target 1972 |
| Hobson | USA | Gleaves class destroyer | 1,630 | 22 January 1942 | sunk in collision 1952 |
| USS Hoel | USA | Fletcher class destoyer | 2,100 | 19 July 1943 | sunk 25 October 1944, Battle of Samar |
| Hood | UK | Admiral-class battlecruiser | 42,100 | 5 March 1920 | sunk 24 May 1941 |
| Honolulu | USA | Brooklyn class light cruiser | 9,650 | 15 June 1938 | scrapped 1959 |
| Hornet (I) | USA | Yorktown class fleet carrier | 26,500 | 25 October 1941 | sunk 27 October 1942 |
| Hornet (II) | USA | Essex class fleet carrier | 27,100 | 29 November 1943 | decommissioned 26 June 1970; museum Alameda, California |
| Hōshō | Japan | aircraft carrier | 7,470 | 27 December 1922 | scrapped 1947 |
| Houston (I) | USA | Northampton class heavy cruiser | 9,200 | 17 June 1930 | sunk 1 March 1942 |
| Houston (II) | USA | Cleveland class light cruiser | 11,800 | 20 December 1943 | scrapped 1959 |
| Hova | Free French | Cannon class destroyer escort | 1,240 | 18 March 1944 (former USS Hova) | Decommissioned May 1964 |
| Howe | UK | King George V class battleship | 35,000 | 28 September 1942 | scrapped 1958 |
| Huascar | Chile | ironclad | 1,870 | ||
| Hughes | USA | Sims class destroyer | 1,570 | 21 September 1939 | scuttled after A-bomb test 1948 |
| Hull | USA | Farragut class destroyer | 1,365 | 11 January 1935 | foundered in typhoon 18 December 1944 |
| Humaita | Brazil | Humaita class submarine | 1,440 | 20 July 1929 | Decommissioned 25 November 1950 |
| Hunter | UK | Attacker class escort aircraft carrier | 11,400 | 9 January 1943 (former USS Block Island) | Returned to USN 29 December 1945, sold into merchant service 17 January 1947 as Almdijk |
| Huron | Canada | Tribal class destroyer | 2,020 | 19 July 1943 | scrapped 1965 |
| Hurricane | UK | Havant class destroyer | 1,340 | 21 June 1940 (laid down as Brazilian Japura) | sunk 24 December 1943 |
| Hvidbjørnen | Denmark | patrol boat | 1,050 | ||
| Hyatt | Chile | Serrano class destroyer | 1,090 | Discarded 1963 | |
| Hydra | Greece | modified Freccia class destroyer | 1,350 | 1933 | sunk 22 April 1941 |
| Hyūga | Japan | Ise class battleship | 38,872 | 1918 | sunk 28 July 1945 |
Read more about this topic: List Of World War II Ships