Ships hit by U-26
See the profile page for U-26
| Date | U-boat | Commander | Name of ship | Tons | Nat. | Convoy | ||
| 15 Sep, 1939 | U-26 | Klaus Ewerth |  | Alex van Opstal [Mine] | 5.965 |  | be | |
| 20 Sep, 1939 | U-26 | Klaus Ewerth | | HMS Kittiwake (L 30) (d.) [Mine] | 530 |  | br | |
| 7 Oct, 1939 | U-26 | Klaus Ewerth | | Binnendijk [Mine] | 6.873 |  | nl | |
| 13 Nov, 1939 | U-26 | Klaus Ewerth | | Loire | 4.285 |  | fr | |
| 22 Nov, 1939 | U-26 | Klaus Ewerth | | Elena R. [Mine] | 4.576 |  | gr | |
| 12 Feb, 1940 | U-26 | Heinz Scheringer | Nidarholm | 3.482 |  | nw | ||
| 14 Feb, 1940 | U-26 | Heinz Scheringer | | Langleeford | 4.622 | | br | HX-18 |
| 15 Feb, 1940 | U-26 | Heinz Scheringer | Steinstad | 2.477 | | nw | ||
| 21 Apr, 1940 | U-26 | Heinz Scheringer | | Cedarbank | 5.159 | | br | AP-1 |
| 29 Jun, 1940 | U-26 | Heinz Scheringer | | Frangoula B. Goulandris | 6.701 | | gr | |
| 30 Jun, 1940 | U-26 | Heinz Scheringer | | Belmoira | 3.214 | | nw | |
| 30 Jun, 1940 | U-26 | Heinz Scheringer | Merkur | 1.291 |  | es | ||
| 1 Jul, 1940 | U-26 | Heinz Scheringer | | Zarian (d.) | 4.871 | | br | OA-175 |
| 54.046 | ||||||||
| 11 ships sunk (48.645 tons) and 2 ships damaged (5.401 tons).
[Mine] indicates the vessel was hit by a mine laid by said U-boat.
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