J
| Class | Country | Type | Launch years | Displacement (tons) | Number |
| J and K | UK | destroyer | 1938-39 | 1,690 | 16 |
| Jaguar = 2100 tonnes = Chacal |
France | destroyer | 1924 | 2,126 | 6 |
| Java | Netherlands | light cruiser | 1920-21 | 6,670 | 2 completed |
Read more about this topic: List Of World War II Ship Classes