| Saint-Marcel-en-Marcillat | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Saint-Marcel-en-Marcillat 03.svg |
| Arrondissement: | Montluçon |
| Canton: | Montluçon-3 |
| Insee: | 03244 |
| Postal Code: | 03420 |
| Mayor: | Alain Verge[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CA Montluçon Communauté |
| Coordinates: | 46.1461°N 2.5903°W |
| Elevation Min M: | 331 |
| Elevation Max M: | 534 |
| Area Km2: | 10.55 |
Saint-Marcel-en-Marcillat (in French pronounced as /sɛ̃ maʁsɛl ɑ̃ maʁsija/; Occitan (post 1500);: Sant Marcel de Marcilhac) is a commune in the Allier department in Auvergne-Rhône-Alpes in central France.[2]