| Image Coa: | DEU Waltenhausen COA.svg |
| Coordinates: | 48.2°N 32°W |
| Image Plan: | Waltenhausen in GZ.svg |
| State: | Bayern |
| Region: | Schwaben |
| District: | Günzburg |
| Elevation: | 547 |
| Area: | 13.43 |
| Postal Code: | 86480 |
| Area Code: | 08263 |
| Licence: | GZ |
| Gemeindeschlüssel: | 09 7 74 192 |
| Mayor: | Alois Rampp[1] |
| Leader Term: | 2020 - 26 |
| Party: | FW |
Waltenhausen is a municipality in the district of Günzburg in Bavaria in Germany.