Ships hit by U-431
See the profile page for U-431
| Date | U-boat | Commander | Name of ship | Tons | Nat. | Convoy | ||
| 2 Oct, 1941 | U-431 | Wilhelm Dommes |  | Hatasu | 3.198 |  | br | ON-19 |
| 13 Dec, 1941 | U-431 | Wilhelm Dommes | Myriel (d.) | 3.560 | | br | ||
| 29 Jan, 1942 | U-431 | Wilhelm Dommes | HMS Sotra | 313 | | br | TA-21 | |
| 20 May, 1942 | U-431 | Wilhelm Dommes | Eocene | 4.216 | | br | AT-46 | |
| 15 Jun, 1942 | U-431 | Wilhelm Dommes | HMS LCT-119 (d.) | 450 | | br | ||
| 10 Nov, 1942 | U-431 | Wilhelm Dommes | HMS Martin (G 44) | 1.920 | | br | Torch | |
| 13 Nov, 1942 | U-431 | Wilhelm Dommes | | HNMS Isaac Sweers (G 83) | 1.628 |  | nl | |
| 23 Jan, 1943 | U-431 | Dietrich Schöneboom | Alexandria | 100 |  | ag | ||
| 25 Jan, 1943 | U-431 | Dietrich Schöneboom | Mouyassar | 47 |  | sy | ||
| 25 Jan, 1943 | U-431 | Dietrich Schöneboom | Omar el Kattab | 38 | | sy | ||
| 26 Jan, 1943 | U-431 | Dietrich Schöneboom | Hassan | 80 | | sy | ||
| 26 Mar, 1943 | U-431 | Dietrich Schöneboom | City of Perth (t.) | 6.415 | | br | MKS-10 | |
| 21.965 | ||||||||
| 10 ships sunk (17.955 tons) and 2 ships damaged (4.010 tons).
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