| Name | Build year | Nationality | Bilde | Loss during WW2 |
|---|---|---|---|---|
| M/S Staværingen | 1918 | Norway | ||
| T/S Steel Age | 1920 | USA | Torpedoed, 1942-3-7 | |
| T/S Steel Inventor | 1920 | USA | ||
| T/S Steelore | 1922 | USA | ||
| T/S Steel Ranger | 1920 | USA | ||
| T/S Steel Scientist | 1921 | USA | Torpedoed, 1942-10-12 | |
| T/S Steel Voyager | 1920 | USA | ||
| T/S Steel Worker | 1920 | USA | ||
| D/S Steenberg | 1929 | South Africa | ||
| D/S Stefa | 1929 | Great Britain | ||
| D/S Steigen | 1897 | Norway | ||
| M/S Steinbit | 1920 | Norway | ||
| M/S Steiner | 1894 | Norway | Sunk by mine, 1945-5-13 | |
| D/S Steinstad | 1912 | Norway | Torpedoed, 1940-2-15 | |
| D/S Stella | 1905 | Sweden | ||
| M/S Stella Polaris | 1927 | Norway | ||
| D/S Stellenberg | 1929 | Great Britain | ||
| D/S Sten | 1910 | Norway | Attacked from air, 1944-10-4 | |
| M/K Stenborg | Unknown | Norway | ||
| D/S Stenkjær | 1878 | Norway | Requisitioned/confiscated by Axis power, 1940-4-? | |
| D/S Stensaas | 1918 | Norway | Torpedoed, 1942-4-23 | |
| M/S Stensby | 1926 | Denmark | ||
| D/S Stensund I | 1913 | Norway | Ran aground, 1945-11-7 | |
| Stephen Crane | Unknown | |||
| D/S Stephen F. Austin | 1942 | USA |