Siegfried von Forstner | |
|---|---|
 | |
| Born | 19 September 1910 Hannover |
| Died | 13 October 1943 (aged 33) Atlantic Ocean † |
| Allegiance |  Weimar Republic (to 1933) Nazi Germany |
| Service/ |  Reichsmarine Kriegsmarine |
| Years of service | 1930–43 |
| Rank | Korvettenkapitän posthumously promoted to Fregattenkapitän |
| Unit | SSS Niobe cruiser Emden survey vessel Meteor battleship Hessen cruiser Admiral Scheer cruiser Nürnberg Panzerschiff Deutschland U-99 |
| Commands | U-402 |
| Battles/wars | World War II |
| Awards | Knight's Cross of the Iron Cross |
Korvettenkapitän Siegfried Freiherr von Forstner[a] (19 September 1910 – 13 October 1943[b]) was a German U-boat commander during World War II. He was also a recipient of the Knight's Cross of the Iron Cross. He and his entire crew of U-402 were killed in action on 13 October 1943.