| Name | Build year | Nationality | Bilde | Loss during WW2 |
|---|---|---|---|---|
| D/S City of Dunkirk | 1912 | Great Britain | ||
| D/S City of Hongkong | 1924 | Great Britain | ||
| T/S City of Karachi | 1937 | Great Britain | Attacked from air, 1941-4-15 | |
| M/S City of Lille | 1928 | Great Britain | ||
| D/S City of Manila | 1916 | Great Britain | Torpedoed, 1942-8-19 | |
| D/S Clan Macaulay | 1936 | Great Britain | ||
| D/S Clunepark | 1928 | Great Britain | ||
| M/T Clydefield | 1928 | Great Britain | ||
| T/S Cochrane | 1923 | Great Britain | ||
| D/T Coimbra | 1937 | Great Britain | Torpedoed, 1942-1-15 | |
| D/S-passasjerskip Col. James A. Moss | 1925 | Great Britain | ||
| D/S Consuelo | 1937 | Great Britain | ||
| D/S Copeland | 1923 | Great Britain | ||
| D/S Corlock | 1913 | Great Britain | ||
| D/T Coronda | 1899 | Great Britain | ||
| D/S Corrales | 1930 | Great Britain | ||
| D/S Corrimal | 1911 | Great Britain | ||
| D/S Covalt | 1919 | Great Britain | ||
| D/S Cragpool | 1928 | Great Britain | ||
| HMT (trawler) Craig Alvah | Unknown | Great Britain | ||
| D/S Craigcoilleach | 1917 | Great Britain | ||
| D/S Cressdene | 1936 | Great Britain | Sunk by mine, 1942-3-17 | |
| D/S Cristales | 1926 | Great Britain | Torpedoed, 1942-5-12 | |
| M/S Cromarty | 1936 | Great Britain | ||
| D/S Culebra | 1919 | Great Britain | Torpedoed, 1942-1-25 |