| Name | Build year | Nationality | Bilde | Loss during WW2 |
|---|---|---|---|---|
| M/T Kløverstrand | 1944 | Norway | ||
| M/S Knarr | 1938 | Norway | ||
| D/S Knarr | 1892 | Norway | ||
| D/S Knight of Malta | 1929 | Malta | ||
| D/S Knoll | 1916 | Norway | ||
| M/S Knut | 1916 | Norway | ||
| M/B Knut | 1930 | Norway | Ran aground, 1941-9-28 | |
| M/S Knute Nelson | 1926 | Norway | Sunk by mine, 1944-9-27 | |
| M/S Koenjit | 1929 | Netherlands | ||
| M/S Kola | 1920 | Norway | ||
| D/S Kolbiøn | 1898 | Norway | ||
| D/S Kolbjørn | 1898 | Norway | ||
| M/T Koll | 1930 | Norway | Torpedoed, 1942-4-6 | |
| M/T Kollbjørg | 1937 | Norway | Ran aground, 1943-1-24 | |
| M/T Kollgrim | 1936 | Norway | ||
| M/T Kollskegg | 1940 | Norway | Torpedoed, 1942-4-6 | |
| D/S Kolsdal | 1920 | Norway | ||
| M/S Kolsnaren | 1923 | Sweden | ||
| D/S Komet | 1912 | Norway | Attacked from air, 1940-6-17 | |
| D/S Kommandøren | 1891 | Norway | ||
| D/S Kommetje | 1930 | Great Britain | ||
| D/S Kong Alf | 1921 | Norway | ||
| D/S Kong Bjørn | 1921 | Norway | ||
| D/S Kong Dag | 1923 | Norway | ||
| D/S Kong Erik | 1904 | Norway |