| Name | Build year | Nationality | Bilde | Loss during WW2 |
|---|---|---|---|---|
| D/T Baldhill | 1919 | USA | ||
| T/S Balladier | 1919 | USA | Torpedoed, 1942-8-15 | |
| T/T T2 Ball's Bluff | 1943 | USA | ||
| D/S Baltic 1 | 1917 | USA | ||
| D/S Baltic 2 | 1917 | USA | ||
| D/S Barbara Frietchie | 1943 | USA | ||
| DS Taubåt Barython | Unknown | USA | ||
| D/T Beacon | 1921 | USA | ||
| D/S Beatrice | 1917 | USA | Torpedoed, 1942-5-25 | |
| T/T Beaver Dam | 1944 | USA | ||
| T/T T2 Belridge Hills | 1945 | USA | ||
| D/S Ben Holladay | 1943 | USA | ||
| D/S Benito Juarez | 1943 | USA | ||
| D/S Benjamin D. Wilson | 1943 | USA | ||
| D/S Benjamin Goodhue (Goodhew) | 1942 | USA | ||
| D/S Benjamin Hawkins | 1942 | USA | ||
| D/S Benjamin H. Brewster | 1943 | USA | ||
| D/S Benjamin H. Hill | 1944 | USA | ||
| D/S Benjamin Holt | 1943 | USA | ||
| D/S Benjamin Schlesinger | 1944 | USA | ||
| D/S Benjamin Waterhouse | 1944 | USA | ||
| D/S Benjamin Williams | 1942 | USA | ||
| T/S Benoni | 1919 | USA | ||
| D/S Bernard N. Baker | 1943 | USA | ||
| D/S Bertram G. Goodhue | 1944 | USA |