| Saint-Marc-du-Cor | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Saint-Marc-du-Cor (loir-et-cher).svg |
| Arrondissement: | Vendôme |
| Canton: | Le Perche |
| Insee: | 41224 |
| Postal Code: | 41170 |
| Mayor: | Anne Gautier[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Collines du Perche |
| Coordinates: | 47.9719°N 0.9542°W |
| Elevation M: | 195 |
| Elevation Min M: | 144 |
| Elevation Max M: | 216 |
| Area Km2: | 13.09 |
Saint-Marc-du-Cor (in French pronounced as /sɛ̃ maʁk dy kɔʁ/) is a commune in the Loir-et-Cher department in central France.[2]