| Image Coa: | Wappen Büchlberg.svg |
| Coordinates: | 48.6667°N 43°W |
| Image Plan: | Büchlberg in PA.svg |
| State: | Bayern |
| Region: | Niederbayern |
| District: | Passau |
| Elevation: | 490 |
| Area: | 28.13 |
| Postal Code: | 94124 |
| Area Code: | 08505 |
| Licence: | PA |
| Gemeindeschlüssel: | 09 2 75 119 |
| Website: | www.buechlberg.de |
| Mayor: | Josef Hasenöhrl[1] |
| Leader Term: | 2020 - 26 |
| Party: | FWG |
Büchlberg (Central Bavarian: Bichlbeag) is a municipality in the district of Passau in Bavaria in Germany.