Shipyards
Howaldtswerke AG, Kiel
31 commissioned U-boats
| Type | Boats | Werk | Built during | |
| VIIC | U-371 - U-390 | 20 boats | 2 - 21 | 1939 - 1943 |
| VIIC | U-391 - U-394 | 4 boats | 23 - 26 | 1941 - 1943 |
| VIIC | U-396 - U-400 | 5 boats | 28 - 32 | 1941 - 1944 |
| VIIC | U-1131 - U-1132 | 2 boats | 33 - 34 | 1941 - 1944 |
The first U-boat launched by Howaldtswerke AG in Kiel was the U-371 on 27 Jan 1941, but the last U-boat launched was the U-1132 on 29 Apr 1944. This refers to U-boats that were actually commissioned into the Kriegsmarine.
U-boats that had been laid down
The following boats were laid down but not finished by the yard:
U-395, U-1133, U-1134, U-1135, U-1136
U-boat ordered but not laid down by this yard
| Type | Boats | Werk | Ordered | Notes | |
| VIIC/41 | U-1137 - U-1146 | 10 boats | 39 - 48 | 1943 | |
| VIIC/42 | U-1147 - U-1152 | 6 boats | 49 - 54 | 1943 | |
| XXII | U-1153 - U-1154 | 2 boats | 55 - 56 | 1943 |


