| Saint-Étienne-sur-Reyssouze | |
| Commune Status: | Commune |
| Arrondissement: | Bourg-en-Bresse |
| Canton: | Replonges |
| Insee: | 01352 |
| Postal Code: | 01190 |
| Mayor: | Jean-Pierre Marguin[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Bresse et Saône |
| Coordinates: | 46.4139°N 5.0017°W |
| Elevation M: | 185 |
| Elevation Min M: | 175 |
| Elevation Max M: | 209 |
| Area Km2: | 13.82 |
Saint-Étienne-sur-Reyssouze (in French pronounced as /sɛ̃.t‿etjɛn syʁ ʁɛsuz/, literally Saint-Étienne on Reyssouze) is a commune in the Ain department in eastern France. Сент-Етьєн-сюр-Рейссуз є частиною регіону Бресса.