| Name | Build year | Nationality | Bilde | Loss during WW2 |
|---|---|---|---|---|
| D/S Kos X | 1932 | Norway | ||
| D/S Kos XI | 1932 | Norway | ||
| D/S Kos XII | 1932 | Norway | ||
| D/S Kos XIII | 1932 | Norway | ||
| D/S Kos XIV | 1932 | Norway | ||
| D/S Kos XIX | 1936 | Norway | ||
| D/S Kos XV | 1932 | Norway | ||
| D/S Kos XVI | 1932 | Norway | Collision, 1941-8-24 | |
| D/S Kos XVII | 1932 | Norway | ||
| D/S Kos XVIII | 1932 | Norway | ||
| D/S Kos XX | 1936 | Norway | ||
| D/S Kos XXI | 1937 | Norway | ||
| D/S Kos XXII | 1937 | Norway | Attacked from air, 1941-6-2 | |
| D/S Kos XXIII | 1937 | Norway | Attacked from air, 1941-5-23 | |
| D/S Kristianiafjord | 1921 | Norway | ||
| D/S Kristiansand | 1915 | Norway | ||
| D/S Kristiansund | 1865 | Norway | ||
| M/K Kristine II | Unknown | Norway | Ran aground, 1941-3-24 | |
| M/S Kronprinsen | 1942 | Norway | ||
| D/S Kronprinsesse Märtha | 1929 | Norway | ||
| M/S Kronprinsessen | 1941 | Norway | ||
| D/S Kronprins Olav | 1908 | Norway | ||
| D/S Kronviken | 1904 | Norway | ||
| M/S Krosdøl | 1918 | Norway | Fire/Explosion, 1944-4-20 | |
| M/T Krossfonn | 1935 | Norway | Hijacked, 1940-6-26 |