| Name | Build year | Nationality | Bilde | Loss during WW2 |
|---|---|---|---|---|
| D/S Harpefjell | 1939 | Norway | ||
| D/S Harperley | 1930 | Great Britain | Torpedoed, 1943-5-5 | |
| D/S Harpon | 1897 | Argentina | ||
| D/S Harrier | 1892 | South Africa | Torpedoed, 1943-6-7 | |
| D/S Harriet Beecher Stowe | 1943 | USA | ||
| M/T Harry G. Seidel | 1930 | Panama | Torpedoed, 1942-4-29 | |
| D/S Harry Percy | 1943 | USA | ||
| D/S Harstad | 1889 | Norway | ||
| D/S Hart Crane | 1943 | USA | ||
| D/S Harvey Cushing | 1943 | USA | ||
| T/S Hastings | 1920 | USA | ||
| M/T Hato | 1942 | Norway | ||
| D/S Hatterlock | 1917 | Great Britain | ||
| M/S Haugar | 1885 | Norway | Torpedoed, 1942-10-26 | |
| D/S Haugarland | 1911 | Norway | Sunk by mine, 1942-6-10 | |
| M/B Haugen (M 107 B) | Unknown | Norway | ||
| RS Haugesund | 1925 | Norway | ||
| D/S Haug I | 1924 | Norway | ||
| D/S Haug II | 1925 | Norway | ||
| M/K Haugland I | 1929 | Norway | ||
| D/S Hauk | 1918 | Norway | Ran aground, 1939-12-31 | |
| D/S Haukefjell | 1921 | Norway | ||
| D/S Haukelid | 1869 | Norway | ||
| D/S Hauken | 1926 | Norway | ||
| M/S Hauraki | 1922 | Great Britain |