| U-80 | Type VIIC |
| Feldpost Number | M 37 498 |
| Construction Yard | Vulkan Vegesack Werft, Bremen |
| Yard Number | 8 |
| Ordered | 25th Jan 1939 |
| Keel laid | 17th Apr 1940 |
| Launched | 11th Feb 1941 |
| Commissioned | 8th Apr 1941 |
| Baubelehrung | Baubelehrung U-Boote Nordsee, Bremen |
| Training, Flotillas and Duties |
| 04.41 - 04.41 | 1.U-Flottille, Kiel Ausbildungsboot (under training)
|
| 05.41 - 03.42 | 26.U-Flottille, Pillau Ausbildungsboot (under training)
|
| 04.42 - 08.43 | 24.U-Flottille, Gotenhafen Ausbildungsboot (under training)
|
| 08.43 - 11.43 | 23.U-Flottille, Danzig Ausbildungsboot (under training)
|
| 12.43 - 11.44 | 21.U-Flottille, Pillau Schulboot (training boat)
|
| Commanders |
| 03.41 - 10.41 | OL Georg Staats see also: U-508 |
| 10.41 - 05.42 | OL Hans Benker see also: U-152 U-625 |
| 05.42 - 11.42 | OL Oskar Curio see also: U-952 U-2528 U-1025 |
| 11.42 - 09.43 | LT Hans-Adolf Isermeyer |
| 10.43 - 12.44 | OL Hans Keerl see also: U-291 |