| Image Coa: | Wappen von Hallendorf.svg |
| Coordinates: | 49.7667°N 69°W |
| Image Plan: | Hallerndorf in FO.svg |
| State: | Bayern |
| Region: | Oberfranken |
| District: | Forchheim |
| Elevation: | 282 |
| Area: | 41.33 |
| Postal Code: | 91352 |
| Area Code: | 09545 |
| Licence: | FO |
| Gemeindeschlüssel: | 09 4 74 133 |
| Divisions: | 7 Ortsteile |
| Website: | www.hallerndorf.de |
| Mayor: | Gerhard Bauer[1] |
| Leader Term: | 2020 - 26 |
Hallerndorf is a municipality in the district of Forchheim in Bavaria in Germany.