| Nieul-sur-Mer | |
| Commune Status: | Commune |
| Arrondissement: | La Rochelle |
| Canton: | Lagord |
| Insee: | 17264 |
| Postal Code: | 17137 |
| Mayor: | Marc Maigné[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CA La Rochelle |
| Coordinates: | 46.2075°N -1.1625°W |
| Elevation M: | 5 |
| Elevation Min M: | 0 |
| Elevation Max M: | 34 |
| Area Km2: | 10.96 |
Nieul-sur-Mer (in French pronounced as /njœl syʁ mɛʁ/) is a commune in the Charente-Maritime department in southwestern France.