| Name | Build year | Nationality | Bilde | Loss during WW2 |
|---|---|---|---|---|
| D/S James M. Porter | 1943 | USA | ||
| D/S James M. Wayne | 1943 | USA | ||
| D/S James Rumsey | 1942 | USA | ||
| D/S James Schureman | 1942 | USA | ||
| D/S James Smith | 1942 | USA | Torpedoed, 1943-3-9 | |
| D/S James Stewart | 1926 | Canada | ||
| M/T James Stove | 1931 | Norway | Torpedoed, 1940-6-16 | |
| D/S James Sullivan | 1944 | USA | ||
| D/S James Turner | 1942 | USA | ||
| D/S James W. Grimes | 1943 | USA | ||
| D/S James Whitcomb Riley | 1942 | USA | ||
| D/S James W. Nesmith | 1942 | USA | ||
| D/S James W. Wheeler | 1945 | USA | ||
| D/S Jan | 1921 | Norway | ||
| M/K Jana | 1939 | Norway | ||
| D/S Jane A. Delano | 1943 | USA | ||
| M/T Jane Mærsk | 1928 | Denmark | Shuttled, 1942-3-2 | |
| M/S Janholm | 1943 | Norway | ||
| M/T Janko | 1928 | Panama | ||
| D/S Jan Mayen | 1915 | Norway | Ran aground, 1943-1-17 | |
| D/S Janna | 1919 | Norway | Torpedoed, 1940-7-11 | |
| M/S Jantina | 1918 | Netherlands | ||
| D/S Japan | 1911 | Sweden | Torpedoed, 1941-5-4 | |
| M/S Japara | 1939 | Netherlands | ||
| D/S Jared Ingersoll | 1942 | USA |