| Image Coa: | DEU Rotthalmünster COA.svg |
| Coordinates: | 48.3597°N 13.2028°W |
| Image Plan: | Rotthalmünster in PA.svg |
| State: | Bayern |
| Region: | Niederbayern |
| District: | Passau |
| Verwaltungsgemeinschaft: | Rotthalmünster |
| Elevation: | 340-485 |
| Area: | 44.51 |
| Postal Code: | 94094 |
| Area Code: | 08533 |
| Licence: | PA |
| Gemeindeschlüssel: | 09 2 75 143 |
| Mayor: | Günter Straußberger[1] |
| Leader Term: | 2020 - 26 |
Rotthalmünster (Central Bavarian: Rotthalmünsta) is a municipality in the district of Passau in Bavaria in Germany.