| Étroussat | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason de la ville d'Étroussat (03).svg |
| Arrondissement: | Moulins |
| Canton: | Gannat |
| Insee: | 03112 |
| Postal Code: | 03140 |
| Mayor: | Gilles Vernay[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Saint-Pourçain Sioule Limagne |
| Coordinates: | 46.2194°N 3.2219°W |
| Elevation M: | 321 |
| Elevation Min M: | 265 |
| Elevation Max M: | 374 |
| Area Km2: | 13.03 |
Étroussat (in French pronounced as /etʁusa/; Occitan (post 1500);: Estroçat) is a commune in the Allier department in central France.