Werner Hartenstein Ships attacked Ships attacked

| Date_ | Time_ | Name_of_ship | Flag | Tonnage | Fate |
|---|---|---|---|---|---|
| 17May1942 | 21:04 | Barrdale | United Kingdom | 5072 | sunk at |
| 18May1942 | 10:18 | Quaker City | United States | 4961 | sunk at |
| 18May1942 | 18:52 | San Eliseo | United Kingdom | 8042 | damaged at |
| 21May1942 | 18:29 | Presidente Trujillo | Dominican Republic | 1668 | sunk at |
| 25May1942 | 15:52 | USS Blakeley | United States | 1190 | damaged at |
| 29May1942 | 01:03 | Norman Prince | United Kingdom | 1913 | sunk at |
| 1June1942 | 23:51 | Alegrete | Brazil | 5970 | sunk at |
| 3June1942 | 09:26 | Lillian | United Kingdom | 80 | sunk at |
| 24June1942 | 08:10 | Willimantic | United Kingdom | 4857 | sunk at |
| 27August1942 | 01:00 | Clan Macwhirter | United Kingdom | 5941 | sunk at |
| 12September1942 | 22:07 | Laconia | United Kingdom | 19695 | sunk at |
| 19September1942 | 15:46 | Quebec City | United Kingdom | 4745 | sunk at |