| Name | Build year | Nationality | Bilde | Loss during WW2 |
|---|---|---|---|---|
| D/S Semla | 1924 | Great Britain | ||
| D/S-flytende kokeri Sevilla | 1900 | Great Britain | ||
| D/S Sevra | 1929 | Great Britain | Sunk by mine, 1940-11-6 | |
| D/S Shera | 1929 | Great Britain | Ran aground, 1942-3-9 | |
| D/S Shika | 1929 | Great Britain | ||
| D/S Shusa | 1929 | Great Britain | ||
| D/S Sigfra | 1937 | Great Britain | ||
| D/S Silva | 1924 | Great Britain | ||
| D/S Simbra | 1937 | Great Britain | ||
| TSS Sir John Hawkins | 1929 | Great Britain | ||
| D/S Sirra | 1929 | Great Britain | ||
| D/S Sluga | 1929 | Great Britain | ||
| D/S Sobkra | 1937 | Great Britain | ||
| D/S Soika | 1925 | Great Britain | ||
| D/S Solvra | 1937 | Great Britain | ||
| D/S Sondra | 1937 | Great Britain | ||
| D/S Sorsra | 1937 | Great Britain | ||
| D/S-hvalfanger Sotra | 1925 | Great Britain | ||
| D/S Minesveiper Sotra | 1925 | Great Britain | Torpedoed, 1942-1-29 | |
| D/S Southern Barrier | 1936 | Great Britain | ||
| D/S Southern Breeze | 1936 | Great Britain | ||
| D/S Southern Chief | 1926 | Great Britain | ||
| D/S Southern Field | 1929 | Great Britain | ||
| D/S Southern Floe | 1936 | Great Britain | Sunk by mine, 1941-?-? | |
| D/S Southern Flower | 1928 | Great Britain | Torpedoed, 1945-3-3 |