Ships hit by U-51
See the profile page for U-51
| Date | U-boat | Commander | Name of ship | Tons | Nat. | Convoy | ||
| 22 Jan, 1940 | U-51 | Dietrich Knorr | Gothia | 1.640 |  | sw | ||
| 29 Jan, 1940 | U-51 | Dietrich Knorr | Eika | 1.503 |  | nw | ||
| 25 Jun, 1940 | U-51 | Dietrich Knorr |  | Saranac | 12.049 |  | br | OA-172 |
| 25 Jun, 1940 | U-51 | Dietrich Knorr | | Windsorwood | 5.395 | | br | OA-172 |
| 29 Jun, 1940 | U-51 | Dietrich Knorr | | HMS Edgehill (X 39) | 4.724 | | br | |
| 15 Aug, 1940 | U-51 | Dietrich Knorr | | Sylvafield | 5.709 | | br | HX-62 |
| 31.020 | ||||||||
| 6 ships sunk (31.020 tons).
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