| Steinach | |
| Image Coa: | Coat of arms of Steinach (Niederbayern).svg |
| Coordinates: | 48.95°N 49°W |
| Image Plan: | Steinach in SR.svg |
| State: | Bayern |
| Region: | Niederbayern |
| District: | Straubing-Bogen |
| Elevation: | 348 |
| Area: | 23.08 |
| Postal Code: | 94377 |
| Area Code: | 09428 |
| Licence: | SR |
| Gemeindeschlüssel: | 09 2 78 190 |
| Divisions: | 5 Ortsteile |
| Website: | www.steinach.eu |
| Mayor: | Christine Hammerschick[1] |
| Leader Term: | 2020 - 26 |
Steinach is a municipality in the district of Straubing-Bogen in Bavaria, Germany.