Ships hit by U-13
See the profile page for U-13
| Date | U-boat | Commander | Name of ship | Tons | Nat. | Convoy | ||
| 10 Sep, 1939 | U-13 | Karl Daublebsky von Eichhain |  | Magdapur [Mine] | 8.641 |  | br | |
| 16 Sep, 1939 | U-13 | Karl Daublebsky von Eichhain | | City of Paris (d.) [Mine] | 10.902 | | br | |
| 24 Sep, 1939 | U-13 | Karl Daublebsky von Eichhain | | Phryné [Mine] | 2.660 |  | fr | |
| 30 Oct, 1939 | U-13 | Karl Daublebsky von Eichhain | | Cairnmona | 4.666 | | br | HX-5 |
| 19 Nov, 1939 | U-13 | Heinz Scheringer | Bowling | 793 | | br | ||
| 6 Jan, 1940 | U-13 | Heinz Scheringer | | City of Marseilles (d.) [Mine] | 8.317 | | br | |
| 31 Jan, 1940 | U-13 | Max-Martin Schulte | | Start | 1.168 |  | nw | |
| 1 Feb, 1940 | U-13 | Max-Martin Schulte | Fram | 2.491 |  | sw | ||
| 6 Feb, 1940 | U-13 | Heinz Scheringer | | Anu [Mine] | 1.421 |  | es | |
| 17 Apr, 1940 | U-13 | Max-Martin Schulte | Swainby | 4.935 | | br | ||
| 26 Apr, 1940 | U-13 | Max-Martin Schulte | | Lily | 1.281 |  | da | |
| 28 Apr, 1940 | U-13 | Max-Martin Schulte | | Scottish American (d.) | 6.999 | | br | |
| 54.274 | ||||||||
| 9 ships sunk (28.056 tons) and 3 ships damaged (26.218 tons).
[Mine] indicates the vessel was hit by a mine laid by said U-boat.
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