| Saint-Martin-le-Châtel | |
| Commune Status: | Commune |
| Arrondissement: | Bourg-en-Bresse |
| Canton: | Attignat |
| Insee: | 01375 |
| Postal Code: | 01310 |
| Mayor: | Sandrine Dubois[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CA Bassin de Bourg-en-Bresse |
| Coordinates: | 46.2828°N 5.1164°W |
| Elevation Min M: | 197 |
| Elevation Max M: | 225 |
| Area Km2: | 12.77 |
Saint-Martin-le-Châtel (in French pronounced as /sɛ̃ maʁtɛ̃ lə ʃatɛl/) is a commune in the Ain department in eastern France.