| Saint-Avit | |
| Image Coat Of Arms: | Blason ville fr saint avit (loir-et-cher).svg |
| Arrondissement: | Vendôme |
| Canton: | Le Perche |
| Commune: | Couëtron-au-Perche |
| Insee: | 41202 |
| Postal Code: | 41170 |
| Coordinates: | 48.0925°N 0.9169°W |
| Elevation M: | 207 |
| Elevation Min M: | 156 |
| Elevation Max M: | 240 |
| Area Km2: | 14.83 |
| Population: | 95 |
| Population Date: | 2019 |
| Population Footnotes: | [1] |
Saint-Avit is a former commune in the Loir-et-Cher department of central France. On 1 January 2018, it was merged into the new commune of Couëtron-au-Perche.[2]