| Mer | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Arnac-Pompadour (Corrèze).svg |
| Arrondissement: | Blois |
| Canton: | La Beauce |
| Insee: | 41136 |
| Postal Code: | 41500 |
| Mayor: | Vincent Robin[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Beauce Val de Loire |
| Coordinates: | 47.6992°N 1.5083°W |
| Elevation M: | 98 |
| Elevation Min M: | 72 |
| Elevation Max M: | 116 |
| Area Km2: | 26.47 |
Mer (in French pronounced as /mɛʁ/), also known as Mer-sur-Loire (in French pronounced as /mɛʁ syʁ lwaʁ/;) for clarity, is a commune in the Loir-et-Cher department, region of Centre-Val de Loire, France.[2]