| Saint-Martin-aux-Chartrains | |
| Commune Status: | Commune |
| Arrondissement: | Lisieux |
| Canton: | Pont-l'Évêque |
| Insee: | 14620 |
| Postal Code: | 14130 |
| Mayor: | Thierry De Koninck[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 49.3083°N 0.155°W |
| Elevation M: | 13 |
| Elevation Min M: | 3 |
| Elevation Max M: | 125 |
| Area Km2: | 5.06 |
Saint-Martin-aux-Chartrains (in French pronounced as /sɛ̃ maʁtɛ̃ o ʃaʁtʁɛ̃/) is a commune in the Calvados department in the Normandy region in northwestern France.