| Saint-Martin-de-la-Mer | |
| Commune Status: | Commune |
| Arrondissement: | Beaune |
| Canton: | Arnay-le-Duc |
| Insee: | 21560 |
| Postal Code: | 21210 |
| Mayor: | Denis Néault[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 47.2369°N 4.2347°W |
| Elevation M: | 530 |
| Elevation Min M: | 440 |
| Elevation Max M: | 596 |
| Area Km2: | 23.22 |
Saint-Martin-de-la-Mer (in French pronounced as /sɛ̃ maʁtɛ̃ də la mɛʁ/) is a commune in the Côte-d'Or department in eastern France.