| Name | Build year | Nationality | Bilde | Loss during WW2 |
|---|---|---|---|---|
| T/S Alcoa Prospector | 1941 | USA | ||
| T/S Alcoa Rambler | 1919 | USA | Torpedoed, 1942-12-15 | |
| D/S Alcoa Scout | 1919 | USA | ||
| T/S Alcoa Voyager | 1919 | USA | ||
| D/S Alden | 1907 | Norway | ||
| D/S Alden | 1888 | Norway | ||
| D/S Aldergrove | 1918 | Great Britain | Torpedoed, 1941-8-23 | |
| M/S Aldo | 1939 | Netherlands | ||
| M/S Alert | 1919 | Norway | ||
| D/S Alexander Graham Bell | 1942 | USA | ||
| D/S Alexander H. Stephens | 1942 | USA | ||
| D/S Alexander Lillington | 1942 | USA | ||
| D/S Alexander W. Doniphan | 1944 | USA | ||
| M/T Alexandra Høegh | 1935 | Norway | Torpedoed, 1942-1-21 | |
| M/T Alexandre André | 1928 | Belgium | ||
| D/S Alfa | 1922 | Sweden | ||
| D/S Alfen | 1893 | Norway | ||
| M/S Alf Lindeberg | 1943 | Norway | ||
| M/S Alfred Clegg | 1945 | Norway | ||
| M/T Alfred Olsen | 1934 | Norway | Shelled by gunfire, 1941-5-10 | |
| D/S Algerian | 1924 | Great Britain | ||
| M/T Algol | 1937 | Sweden | ||
| D/S Algonquin Park | 1942 | Canada | ||
| D/S Alida Gorthon | 1902 | Sweden | Torpedoed, 1940-8-29 | |
| M/S Almena | 1933 | Denmark | Torpedoed, 1942-11-11 |