G
- Galathea (Denmark): 237-ton Ægir class submarine
- Garm (Norway): 578-ton Draug class destroyer
- General Haller (Poland): 342-ton gunboat
- Glenten (Denmark): 290-ton torpedo boat
- Glommen (Norway): 351-ton minelayer
- Gor (Norway): 289-ton Vale-class minelayer
- Guacolda (Chile): 435-ton submarine
- Guale (Chile): 435-ton submarine
- Gyller (Norway): 735-ton Sleipner class destroyer
Read more about this topic: List Of World War II Ships Of Less Than 1000 Tons