Patrols by U-331
See the profile page for U-331
| Commander | Departure | Arrival | Days | |||||
| 1. | Oblt. Freiherr Hans-Diedrich von Tiesenhausen | 2 Jul, 1941 | Kiel | 19 Aug, 1941 | Lorient | 49 days | P | View |
| 2. | Oblt. Freiherr Hans-Diedrich von Tiesenhausen | 24 Sep, 1941 | Lorient | 11 Oct, 1941 | Salamis | 18 days | P | View |
| 3. | Oblt. Freiherr Hans-Diedrich von Tiesenhausen | 12 Nov, 1941 | Salamis | 3 Dec, 1941 | Salamis | 22 days | P | View |
| 4. | Kptlt. Freiherr Hans-Diedrich von Tiesenhausen | 14 Jan, 1942 | Salamis | 28 Feb, 1942 | La Spezia | 46 days | P | View |
| 5. | Kptlt. Freiherr Hans-Diedrich von Tiesenhausen | 4 Apr, 1942 | La Spezia | 19 Apr, 1942 | Salamis | 16 days | P | View |
| 6. | Kptlt. Freiherr Hans-Diedrich von Tiesenhausen | 9 May, 1942 | Salamis | 21 May, 1942 | Messina | 13 days | P | View |
| 7. | Kptlt. Freiherr Hans-Diedrich von Tiesenhausen | 25 May, 1942 | Messina | 15 Jun, 1942 | La Spezia | 22 days | P | View |
| 8. | Kptlt. Freiherr Hans-Diedrich von Tiesenhausen | 5 Aug, 1942 | La Spezia | 10 Aug, 1942 | La Spezia | 6 days | P | View |
| 9. | Kptlt. Freiherr Hans-Diedrich von Tiesenhausen | 12 Aug, 1942 | La Spezia | 19 Sep, 1942 | La Spezia | 39 days | P | View |
| 10. | Kptlt. Freiherr Hans-Diedrich von Tiesenhausen | 7 Nov, 1942 | La Spezia | 17 Nov, 1942 | Sunk | 11 days | P | View |
10 War patrols (P) located. | ||||||||
