| Arnbruck | |
| Image Coa: | Wappen Arnbruck.svg |
| Coordinates: | 49.1333°N 13°W |
| Image Plan: | Arnbruck in REG.svg |
| State: | Bavaria |
| Region: | Niederbayern |
| District: | Regen |
| Elevation: | 581 |
| Area: | 37.90 |
| Postal Code: | 93471 |
| Area Code: | 09945 |
| Licence: | REG |
| Gemeindeschlüssel: | 09 2 76 113 |
| Website: | www.arnbruck.de |
| Mayor: | Angelika Leitermann[1] |
| Leader Term: | 2020 - 26 |
| Party: | CSU |
Arnbruck is a municipality in the district of Regen, in Bavaria, Germany.