| Coordinates: | 52.3978°N 9.2969°W |
| Image Plan: | Auhagen in SHG.svg |
| State: | Niedersachsen |
| District: | Schaumburg |
| Samtgemeinde: | Sachsenhagen |
| Elevation: | 48 |
| Area: | 12.36 |
| Postal Code: | 31553 |
| Area Code: | 05725 (Auhagen) 05033 (Düdinghausen) |
| Licence: | SHG |
| Gemeindeschlüssel: | 03 2 57 004 |
| Divisions: | 2 |
| Mayor: | Kurt Blume |
| Party: | SPD |
Auhagen is a municipality in the district of Schaumburg, in Lower Saxony, Germany.