| Saint-Martinien | |
| Commune Status: | Commune |
| Arrondissement: | Montluçon |
| Canton: | Huriel |
| Insee: | 03246 |
| Postal Code: | 03380 |
| Mayor: | Pierre Nowak[1] |
| Term: | 2023 - 2026 |
| Intercommunality: | Pays d'Huriel |
| Coordinates: | 46.3367°N 2.4717°W |
| Elevation M: | 414 |
| Elevation Min M: | 344 |
| Elevation Max M: | 557 |
| Area Km2: | 25.48 |
Saint-Martinien (pronounced as /fr/) is a commune in the Allier department in Auvergne-Rhône-Alpes in central France.