| Seillac | |
| Image Coat Of Arms: | Blason ville fr seillac (loir-et-cher).svg |
| Arrondissement: | Blois |
| Canton: | Veuzain-sur-Loire |
| Commune: | Valloire-sur-Cisse |
| Insee: | 41240 |
| Postal Code: | 41150 |
| Coordinates: | 47.5458°N 1.1581°W |
| Elevation M: | 120 |
| Elevation Min M: | 82 |
| Elevation Max M: | 122 |
| Area Km2: | 9.58 |
| Population: | 109 |
| Population Date: | 2019 |
| Population Footnotes: | [1] |
Seillac (in French pronounced as /sɛjak/) is a former commune in the Loir-et-Cher department of central France. On 1 January 2017, it was merged into the new commune, Valloire-sur-Cisse.[2] Its population was 109 in 2019.[1]