Ships hit by U-9
See the profile page for U-9
| Date | U-boat | Commander | Name of ship | Tons | Nat. | Convoy | ||
| 18 Jan, 1940 | U-9 | Wolfgang Lüth | Flandria | 1.179 |  | sw | ||
| 19 Jan, 1940 | U-9 | Wolfgang Lüth | Patria | 1.188 | | sw | ||
| 11 Feb, 1940 | U-9 | Wolfgang Lüth | Linda | 1.213 |  | es | ||
| 4 May, 1940 | U-9 | Wolfgang Lüth |  | San Tiburcio [Mine] | 5.995 |  | br | |
| 9 May, 1940 | U-9 | Wolfgang Lüth | | Doris (Q 135) | 552 |  | fr | |
| 11 May, 1940 | U-9 | Wolfgang Lüth | Tringa | 1.930 | | br | ||
| 11 May, 1940 | U-9 | Wolfgang Lüth | Viiu | 1.908 | | es | ||
| 23 May, 1940 | U-9 | Wolfgang Lüth | | Sigurd Faulbaum | 3.256 |  | be | |
| 11 May, 1944 | U-9 | Klaus Petersen | | Shtorm (d.) | 412 |  | sj | |
| 17.633 | ||||||||
| 8 ships sunk (17.221 tons) and 1 ship damaged (412 tons).
[Mine] indicates the vessel was hit by a mine laid by said U-boat.
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