Ships hit by U-18
See the profile page for U-18
| Date | U-boat | Commander | Name of ship | Tons | Nat. | Convoy | ||
| 18 Nov, 1939 | U-18 | Max-Hermann Bauer | Parkhill | 500 |  | br | ||
| 23 Jan, 1940 | U-18 | Ernst Mengersen | Bisp | 1.000 |  | nw | ||
| 29 Aug, 1943 | U-18 | Karl Fleige | TSC-11 Dzhalita | 400 |  | sj | ||
| 30 Aug, 1943 | U-18 | Karl Fleige | SKA-0132 (d.) | 56 | | sj | ||
| 18 Nov, 1943 | U-18 | Karl Fleige | Josif Stalin (d.) | 7.745 | | sj | ||
| 9.701 | ||||||||
| 3 ships sunk (1.900 tons) and 2 ships damaged (7.801 tons).
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