D
- Daphne (Denmark): 381-ton D class submarine
- Diez de Octubre (Cuba): 218-ton gunboat
- Dragen (Denmark): 290-ton torpedo boat, became TFA3 (Germany)
- Draug: (Norway): 578-ton Draug class destroyer
- Drazki torpedo boat (Bulgaria): 97-ton torpedo boat, commissioned 5 Jan 1908, today museum ship
- Drski (Bulgaria): 97-ton minesweeper
- Dryaden (Denmark): 381-ton D class submarine
- Durres (Albania): 46-ton patrol boat
- Dzik (Poland): 540-ton Ursula class submarine
Read more about this topic: List Of World War II Ships Of Less Than 1000 Tons