| Name | Build year | Nationality | Bilde | Loss during WW2 |
|---|---|---|---|---|
| D/S Kirsten Mærsk | 1921 | Great Britain | ||
| D/S Kommetje | 1930 | Great Britain | ||
| M/S Koolinda | 1926 | Great Britain | ||
| D/S Koomilya | 1929 | Great Britain | ||
| D/S Kooringa | 1938 | Great Britain | ||
| D/S Koranton | 1920 | Great Britain | Torpedoed, 1941-3-27 | |
| D/S Kurdistan | 1928 | Great Britain | Torpedoed, 1941-12-12 | |
| D/S Kutsang | 1922 | Great Britain | ||
| D/S Kylegorm | 1914 | Great Britain | ||
| D/S Kylemount | 1906 | Great Britain | ||
| HMT Laccennia | Unknown | Great Britain | ||
| D/S Lady Denison-Pender | 1920 | Great Britain | ||
| D/S Lake Hallwil | 1907 | Great Britain | ||
| D/S Lancastrian Prince | 1940 | Great Britain | Torpedoed, 1943-4-12 | |
| D/S Lansing | 1890 | Great Britain | ||
| D/S Lapland | 1936 | Great Britain | Torpedoed, 1941-7-28 | |
| D/S Laranah | 1914 | Great Britain | ||
| M/T Laurelwood | 1929 | Great Britain | ||
| M/S Lautaro | 1915 | Great Britain | ||
| Landgangsfartøy L.C.G.(L)939 | 1944 | Great Britain | ||
| D/S Leana | 1914 | Great Britain | Torpedoed, 1943-7-7 | |
| D/S Ledbury | 1913 | Great Britain | Torpedoed, 1939-10-24 | |
| M/S Leighton | 1921 | Great Britain | ||
| D/S Lesto | 1918 | Great Britain | ||
| T/S Lifland | 1920 | Great Britain | Torpedoed, 1942-9-29 |