| Saint-Marc-à-Frongier | |
| Commune Status: | Commune |
| Arrondissement: | Aubusson |
| Canton: | Aubusson |
| Insee: | 23211 |
| Postal Code: | 23200 |
| Mayor: | Jean-Louis Joslin[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CC Creuse Grand Sud |
| Coordinates: | 45.9308°N 2.1217°W |
| Elevation M: | 572 |
| Elevation Min M: | 493 |
| Elevation Max M: | 715 |
| Area Km2: | 25.45 |
Saint-Marc-à-Frongier (in French pronounced as /sɛ̃ maʁk a fʁɔ̃ʒje/; Occitan (post 1500);: Sent Marc a Frongier) is a commune in the Creuse department in central France.