Ships hit by U-638
See the profile page for U-638
| Date | U-boat | Commander | Name of ship | Tons | Nat. | Convoy | ||
| 7 Mar, 1943 | U-638 | Hinrich-Oscar Bernbeck | Empire Light (d.) | 6.537 |  | br | ON-168 | |
| 5 May, 1943 | U-638 | Oskar Staudinger |  | Dolius | 5.507 | | br | ONS-5 |
| 12.044 | ||||||||
| 1 ships sunk (5.507 tons) and 1 ship damaged (6.537 tons).
| ||||||||