Ships hit by U-556
See the profile page for U-556
| Date | U-boat | Commander | Name of ship | Tons | Nat. | Convoy | ||
| 6 May, 1941 | U-556 | Herbert Wohlfarth | Emanuel | 166 |  | fa | ||
| 10 May, 1941 | U-556 | Herbert Wohlfarth | Aelybryn (d.) | 4.986 |  | br | OB-318 | |
| 10 May, 1941 | U-556 | Herbert Wohlfarth | Empire Caribou | 4.861 | | br | OB-318 | |
| 10 May, 1941 | U-556 | Herbert Wohlfarth |  | Gand | 5.086 |  | be | OB-318 |
| 20 May, 1941 | U-556 | Herbert Wohlfarth | British Security | 8.470 | | br | HX-126 | |
| 20 May, 1941 | U-556 | Herbert Wohlfarth | Cockaponset | 5.995 | | br | HX-126 | |
| 20 May, 1941 | U-556 | Herbert Wohlfarth | | Darlington Court | 4.974 | | br | HX-126 |
| 34.538 | ||||||||
| 6 ships sunk (29.552 tons) and 1 ship damaged (4.986 tons).
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