We have so far registered 33,653 ships
| Name | Build year | Nationality | | M/S Black Watch | 1939 | Norway | | Requisitioned/confiscated by Axis power, 1940-8-28 |
| D/S Blairatholl | 1925 | Great Britain | | Collision, 1943-12-1 |
| D/S Blairnevis | 1930 | Great Britain | | Collision, 1945-2-13 |
| M/S Blankaholm | 1930 | Sweden | | Torpedoed, 1942-8-18 |
| D/S Blenda | 1908 | Norway | | |
| M-Aux Blenda I | 1919 | Norway | | |
| D/S Blenheim | 1923 | Norway | | Fire/Explosion, 1941-4-22 |
| M/S Blia (H 197 S) | 1929 | Norway | | Ran aground, 1941-11-11 |
| D/S Blink | 1920 | Norway | | Torpedoed, 1942-2-11 |
| T/S Blommersdijk | 1922 | Netherlands | | |
| M/S Blomvaag | 1940 | Norway | | |
| M/B Blåegg (M 47 U) | Unknown | Norway | | 1942-1-27 |
| M/S Blåmannen | 1918 | Norway | | Sunk by mine, 1940-5-28 |
| M/K Blåsel | 1907 | Norway | | |
| D/S Bodegraven | 1929 | Netherlands | | Torpedoed, 1944-7-2 |
| D/S Boden | 1914 | Sweden | | |
| M/S Bodil | 1914 | Norway | | |
| D/S Bodin | 1910 | Norway | | |
| D/S Bodø | 1922 | Norway | | |
| D/S Bodø | 1895 | Norway | | |
| M/S Bogevik | 1924 | Norway | | Sunk by mine, 1940-7-17 |
| D/S Boka | 1920 | Panama | | Torpedoed, 1940-9-20 |
| D/S Bokn | 1890 | Norway | | Torpedoed, 1942-7-9 |
| M/S Boknafjord | Unknown | Norway | | |
| D/S Bold Venture | 1920 | Panama | | Torpedoed, 1941-10-17 |