| Name | Build year | Nationality | Bilde | Loss during WW2 |
|---|---|---|---|---|
| D/S Bosanka | 1905 | Yugoslavia | ||
| D/S Boskoop | 1927 | Netherlands | ||
| M/S Bosphorus | 1934 | Norway | ||
| M/T Bostonian | 1934 | Panama | ||
| D/S Bosworth | 1919 | Great Britain | ||
| D/S Botlea | 1917 | Great Britain | ||
| D/S Botne | 1922 | Norway | Collision, 1941-9-3 | |
| T/T Boundbrook | 1944 | USA | ||
| D/S Bouvet 1 | 1930 | Great Britain | ||
| D/S Bouvet 2 | 1930 | Great Britain | ||
| D/S Bouvet 3 | 1930 | Great Britain | ||
| D/S Bouvet 4 | 1930 | Great Britain | ||
| D/S Boyaca | 1920 | Panama | ||
| M/T B. P. Newton | 1940 | Norway | Torpedoed, 1943-7-8 | |
| D/S Braa | 1908 | Norway | ||
| M/S Brabant | 1938 | Belgium | Torpedoed, 1942-5-14 | |
| M/S Brabant | 1926 | Norway | ||
| D/S Brabo | 1899 | Belgium | Collision, 1942-3-14 | |
| M/T Braconda | 1940 | Norway | ||
| M/S Braga | 1938 | Norway | ||
| M/S Braganza | 1924 | Norway | Fire/Explosion, 1944-10-12 | |
| M/S Brageland | 1937 | Sweden | Torpedoed, 1943-1-1 | |
| M/T Brajara | 1934 | Norway | ||
| M/S Bra - Kar | 1928 | Norway | Attacked from air, 1941-5-3 | |
| M/T Bralanta | 1936 | Norway |