C
- Capitan Quevedo (Cuba): 115-ton coast guard craft
- Carabobo (Colombia): 120-ton coast guard vessel
- Carioca (Brazil): 552-ton mine layer
- Cartagena (Colombia): 142-ton gunboat
- Chiang Kung (China): 250-ton patrol boat
- Chiang Tai (China): 250-ton patrol boat
- Chang Ning class (China): 400-ton patrol vessel class of 10
- Chen Shen (China): 275-ton river gunboat
- Chernomorec (Bulgaria): 77-ton patrol boat
- Chi Jih (China): 500-ton survey vessel
- Chien Chung (China): 90-ton river gunboat
- Chien Kang (China): 390-ton destroyer, became Yamasemi (Japan)
- Chu Chien (China): 740-ton gunboat
- Chu Kuan (China): 740-ton gunboat
- Chu Tai (China): 740-ton gunboat
- Chu Tung (China): 740-ton gunboat
- Chu Yiu (China): 740-ton gunboat
- Chu Yu (China): 740-ton gunboat
- Chung Shan (China): 780-ton gunboat, ex-Yung Feng
- Cordoba (Argentina): 890-ton destroyer
- Cordoba (Colombia): 360-ton gunboat
- Czajka (Poland) 183-ton minesweeper
- Czapla (Poland) 183-ton minesweeper
Read more about this topic: List Of World War II Ships Of Less Than 1000 Tons