| Name | Build year | Nationality | Bilde | Loss during WW2 |
|---|---|---|---|---|
| D/S William N. Pendelton | 1943 | USA | ||
| D/S William P. Duval | 1944 | USA | ||
| D/S William Pepper | 1943 | USA | ||
| D/S William Pepperell | 1943 | USA | ||
| D/S William Phips | 1943 | USA | ||
| D/S William R. Davie | 1942 | USA | ||
| M/T William Strachan | 1931 | Norway | ||
| D/S William S. Young | 1943 | USA | ||
| D/S William T. Barry | 1943 | USA | ||
| D/S William T. Coleman | 1942 | USA | ||
| D/S William Thornton | 1943 | USA | ||
| D/S William Wheelwright | 1944 | USA | ||
| D/S William Wirt | 1942 | USA | ||
| D/S Will Rogers | 1942 | USA | Torpedoed, 1945-4-12 | |
| D/T Willy | 1916 | Norway | ||
| D/S Wilson P. Hunt | 1943 | USA | ||
| M/T Wilstar | 1931 | Norway | ||
| M/S Winchester Castle | 1930 | Great Britain | ||
| T/S Windsor Castle | 1922 | Great Britain | Attacked from air, 1943-3-23 | |
| D/S Wing Sang | 1938 | Great Britain | ||
| M/T Winkler | 1930 | Panama | Torpedoed, 1943-2-23 | |
| D/S Winona Park | 1944 | Canada | ||
| D/S Wipunen | 1913 | Finland | ||
| T/T T2 W.L.R. Emmet | 1944 | USA | ||
| T/T W. M. Burton | 1918 | USA |