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| Ship | Country | Class and type | Displacement (tons) | First commissioned | Fate |
| Jacob van Heemskerk | Netherlands | Tromp class cruiser | 4,000 | 16 September 1939 | decommissioned 1969 |
| Jaguar | Germany | 1924 Raubtier class torpedo boat | 1,320 | 1 June 1929 | sunk 15 June 1944 |
| Jamaica | UK | Fiji class cruiser | 8,000 | 29 June 1942 | scrapped 1960 |
| Jarvis | USA | Bagley class destroyer | 1,500 | 27 October 1937 | sunk 9 August 1942 |
| Java | Netherlands | Java class cruiser | 8,078 | 1925 | sunk 27 February 1942 |
| Jean de Vienne | France | La Galissonnière class light cruiser | 7,600 | 10 February 1937 | scuttled 27 November 1942 |
| Jeanne d'Arc | France | Jeanne d'Arc class light cruiser | 6,496 | 14 August 1931 | scrapped 1965 |
| Jeffers | USA | Gleaves class destroyer | 1,630 | 5 November 1942 | decommissioned 1955, scrapped 1973 |
| Jervis Bay | UK | Armed Merchant Cruiser | 14,164 | Oct 1940 | sunk 5 November 1940 |
| Jintsu | Japan | Sendai class light cruiser | 7,100 | 31 July 1925 | sunk 13 July 1943 |
| Jivoochyi | USSR | Town class destroyer | 1,060 | former HMS Richmond | scrapped 1949 |
| Johan Maurits van Nassau | Netherlands | Johan Maurits van Nassau class sloop | 1,795 | 5 April 1933 | sunk 14 May 1940 |
| Johnston | USA | Fletcher class destroyer | 2,700 | 27 October 1943 | Sunk 25 October 1944 |
| Jouett | USA | Somers class destroyer leader | 1,850 | 25 January 1939 | scrapped 1946 |
| Juan De Garray | Argentina | Churruca class destroyer | 1,522 | Discarded 25 March 1960 | |
| Jujuy | Argentina | Catamarca class destroyer | 1,010 | Sold 10 January 1957 | |
| Jumna | India | Black Swan class sloop | 1,250 | 13 May 1941 | |
| Juneau | USA | Atlanta class light cruiser | 6,000 | 14 February 1942 | Sunk 13 November 1942 |
| Junyō | Japan | Hiyō class aircraft carrier | 26,949 | 5 May 1942 | scrapped 1947 |
Read more about this topic: List Of World War II Ships