| 11 Dec 1940 | Heinrich Lehmann-Willenbrock | | Rotorua | 10,890 |  | br | HX-92 |
| 11 Dec 1940 | Heinrich Lehmann-Willenbrock | | Towa | 5,419 |  | nl | HX-92 |
| 12 Dec 1940 | Heinrich Lehmann-Willenbrock | | Macedonier | 5,227 |  | be | HX-92 |
| 12 Dec 1940 | Heinrich Lehmann-Willenbrock | | Stureholm | 4,575 |  | sw | HX-92 |
| 14 Dec 1940 | Heinrich Lehmann-Willenbrock | | Empire Razorbill (d.) | 5,118 |  | br | OB-257 |
| 14 Dec 1940 | Heinrich Lehmann-Willenbrock | | Western Prince | 10,926 |  | br | |
| 18 Dec 1940 | Heinrich Lehmann-Willenbrock | | Pendrecht (d.) | 10,746 |  | nl | OB-259 |
| |
| 16 Jan 1941 | Heinrich Lehmann-Willenbrock | | Oropesa | 14,118 |  | br | |
| 17 Jan 1941 | Heinrich Lehmann-Willenbrock | | Almeda Star | 14,936 |  | br | |
| 13 Feb 1941 | Heinrich Lehmann-Willenbrock | | Arthur F. Corwin | 10,516 |  | br | HX-106 |
| 13 Feb 1941 | Heinrich Lehmann-Willenbrock | | Clea | 7,987 |  | br | HX-106 |
| 18 Feb 1941 | Heinrich Lehmann-Willenbrock | | Black Osprey | 5,589 |  | br | HX-107 |
| 22 Feb 1941 | Heinrich Lehmann-Willenbrock | | Scottish Standard | 6,999 |  | br | OB-287 |
| 23 Feb 1941 | Heinrich Lehmann-Willenbrock | | Anglo-Peruvian | 5,457 |  | br | OB-288 |
| 24 Feb 1941 | Heinrich Lehmann-Willenbrock | | Linaria | 3,385 |  | br | OB-288 |
| 24 Feb 1941 | Heinrich Lehmann-Willenbrock | | Sirikishna | 5,458 |  | br | OB-288 |
| 28 Apr 1941 | Heinrich Lehmann-Willenbrock | | Caledonia | 9,892 |  | nw | HX-121 |
| 28 Apr 1941 | Heinrich Lehmann-Willenbrock | | Oilfield | 8,516 |  | br | HX-121 |
| 28 Apr 1941 | Heinrich Lehmann-Willenbrock | | Port Hardy | 8,897 |  | br | HX-121 |
| 19 May 1941 | Heinrich Lehmann-Willenbrock | | Empire Ridge | 2,922 |  | br | HG-61 |
| 5 Jul 1941 | Heinrich Lehmann-Willenbrock | | Anselm | 5,954 |  | br | |
| 31 Oct 1941 | Heinrich Lehmann-Willenbrock | | Bennekom | 5,998 |  | nl | OS-10 |
| |
| 19 Feb 1942 | Heinrich Lehmann-Willenbrock | | Empire Seal | 7,965 |  | br | |
| 20 Feb 1942 | Heinrich Lehmann-Willenbrock | | Lake Osweya | 2,398 |  | am | |
| 22 Feb 1942 | Heinrich Lehmann-Willenbrock | | Kars (t.) | 8,888 |  | br | HX-175 |
| 22 Feb 1942 | Heinrich Lehmann-Willenbrock | | Torungen | 1,948 |  | nw | |
| 9 Mar 1942 | Heinrich Lehmann-Willenbrock | | Tyr | 4,265 |  | nw | |
| 10 Sep 1942 | Hans-Jürgen Hellriegel | | Elisabeth van Belgie | 4,241 |  | be | ON-127 |
| 10 Sep 1942 | Hans-Jürgen Hellriegel | | F.J. Wolfe (d.) | 12,190 |  | br | ON-127 |
| 10 Sep 1942 | Hans-Jürgen Hellriegel | | Sveve | 6,313 |  | nw | ON-127 |
| 11 Sep 1942 | Hans-Jürgen Hellriegel | | Delães | 415 |  | pt | |
| 25 Sep 1942 | Hans-Jürgen Hellriegel | | New York (d.) | 4,989 |  | br | RB-1 |
| | 223,137 | |
28 ships sunk (190,094 tons) and 4 ships damaged (33,043 tons). Legend
We have a picture of this vessel. (d.) means the ship was damaged. (t.) means the ship was a total loss (included in ships & tonnage lost). |