| Name | Build year | Nationality | Bilde | Loss during WW2 |
|---|---|---|---|---|
| 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 | |
| M/S Kota Agoeng | 1930 | Netherlands | ||
| D/S Kotor | 1904 | Panama | ||
| D/S Kristianiafjord | 1921 | Norway | ||
| D/S Kristiansand | 1915 | Norway | ||
| M/K Kristine II | Unknown | Norway | Ran aground, 1941-3-24 | |
| D/S Kromàn | 1912 | Poland | ||
| M/S Kronborg | 1935 | Denmark | ||
| M/S Kronprinsen | 1942 | Norway | ||
| M/S Kronprinsessan Margareta | 1914 | Sweden | ||
| D/S Kronprinsesse Märtha | 1929 | Norway | ||
| M/S Kronprinsessen | 1941 | Norway | ||
| D/S Kronprins Olav | 1908 | Norway |