| Born | 29 Jul, 1917 | Borstel, Nienburg |
| Died | 6 May, 1944 | Cape Verde Islands |
|
Ranks
Decorations |
U-boat Commands
| U-68 | Jul, 1943 | - | 29 Jul, 1943 | No war patrols |
| U-66 | 2 Sep, 1943 | - | 6 May, 1944 (+) | 1 patrol (112 days) |
Ships hit by Gerhard Seehausen
| Date | Boat | Name of ship | Tons | Nat. | Convoy | Fate * | |
| 26 Feb, 1944 | U-66 | Silvermaple | 5.313 |  | br | STL-12 | |
| 1 Mar, 1944 | U-66 | Saint Louis | 5.202 |  | fr | ||
| 5 Mar, 1944 | U-66 | John Holt | 4.964 | | br | ||
| 21 Mar, 1944 | U-66 | Matadian | 4.275 | | br | ||
| 19.754 | |||||||
* Unless otherwise noted the ships listed here were sunk. | |||||||
Decorations and ranks information is in many cases not complete. If you can help on any of those missing that would be great.