| Image Coa: | DEU Pettendorf COA.svg |
| Coordinates: | 49.0594°N 12.0058°W |
| Image Plan: | Pettendorf in R.svg |
| State: | Bayern |
| Region: | Oberpfalz |
| District: | Regensburg |
| Elevation: | 455 |
| Area: | 24.59 |
| Postal Code: | 93186 |
| Area Code: | 09409 |
| Licence: | R |
| Gemeindeschlüssel: | 09 3 75 181 |
| Divisions: | 19 Ortsteile |
| Website: | www.pettendorf.de |
| Mayor: | Eduard Obermeier[1] |
| Leader Term: | 2020 - 26 |
| Party: | FW |
Pettendorf is a municipality in the district of Regensburg in Bavaria in Germany.
The river Naab empties into the Danube in the municipality.