| Altendorf | |
| Image Coa: | DEU Altendorf (Landkreis Schwandorf) COA.svg |
| Coordinates: | 49.4°N 29°W |
| Image Plan: | Altendorf in SAD.svg |
| State: | Bayern |
| Region: | Oberpfalz |
| District: | Schwandorf |
| Verwaltungsgemeinschaft: | Nabburg |
| Elevation: | 368-573 |
| Area: | 23.16 |
| Postal Code: | 92540 |
| Area Code: | 0 96 75 |
| Licence: | SAD |
| Gemeindeschlüssel: | 09 3 76 112 |
| Website: | www.gemeinde-altendorf.de |
| Mayor: | Markus Schiesl[1] |
| Leader Term: | 2020 - 26 |
Altendorf is a municipality in the district of Schwandorf in Bavaria, Germany.