| Name | Build year | Nationality | Bilde | Loss during WW2 |
|---|---|---|---|---|
| D/S Lorentz W. Hansen | 1920 | Norway | Shelled by gunfire, 1939-10-14 | |
| D/S Lotos | 1920 | Norway | Torpedoed, 1940-9-16 | |
| D/S Louise 2 | 1899 | Norway | ||
| D/S Ludo | 1903 | Norway | ||
| T/S Luise Nielsen | Unknown | Norway | ||
| D/S Luna | 1911 | Norway | Torpedoed, 1939-12-31 | |
| D/S Lutz | 1933 | Norway | ||
| M/S Lyderhorn | 1942 | Norway | ||
| D/S Lyder Sagen | 1918 | Norway | ||
| D/S Lygra | 1899 | Norway | ||
| M/B Lygrefjord | 1919 | Norway | ||
| D/S Lyng | 1920 | Norway | Collision, 1942-12-9 | |
| D/S Lyngdal | 1912 | Norway | ||
| D/S Lyngen | 1931 | Norway | ||
| D/S Lynghaug | 1919 | Norway | Shuttled, 1944-6-10 | |
| D/S Lyngør | 1884 | Norway | ||
| D/S Lynx | 1925 | Norway | Attacked from air, 1944-9-19 | |
| D/S Lyra | 1912 | Norway | ||
| D/S Lysaker | 1919 | Norway | Attacked from air, 1945-3-23 | |
| D/S Lysaker IV | 1924 | Norway | ||
| D/S Lysaker V | 1936 | Norway | ||
| D/S Lysefjord | 1915 | Norway | Torpedoed, 1943-4-1 | |
| D/S Lysefjord I | 1874 | Norway | Ran aground, 1941-4-6 | |
| D/S Lysland | 1907 | Norway | ||
| M/S Lærdal | 1939 | Norway |