| Image Coa: | DEU Sankt Oswald-Riedlhütte COA.svg |
| Coordinates: | 48.8833°N 38°W |
| Image Plan: | Sankt Oswald-Riedlhütte in FRG.svg |
| State: | Bayern |
| Region: | Niederbayern |
| District: | Freyung-Grafenau |
| Elevation: | 791 |
| Area: | 40.28 |
| Postal Code: | 94566, 94568 |
| Area Code: | 08553 |
| Licence: | FRG |
| Gemeindeschlüssel: | 09 2 72 143 |
| Divisions: | 8 Ortsteile |
| Website: | www.sankt-oswald-riedlhuette.de |
| Mayor: | Andreas Waiblinger[1] |
| Leader Term: | 2022 - 28 |
| Party: | SPD |
Sankt Oswald-Riedlhütte is a municipality in the district of Freyung-Grafenau in Bavaria in Germany.