| Saint-Sulpice-de-Royan | |
| Commune Status: | Commune |
| Arrondissement: | Rochefort |
| Canton: | Saujon |
| Insee: | 17409 |
| Postal Code: | 17200 |
| Mayor: | Christian Pitard[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CA Royan Atlantique |
| Coordinates: | 45.6722°N -1.0103°W |
| Elevation M: | 22 |
| Elevation Min M: | 1 |
| Elevation Max M: | 37 |
| Area Km2: | 20.81 |
Saint-Sulpice-de-Royan (in French pronounced as /sɛ̃ sylpis də ʁwajɑ̃/; Occitan (post 1500);: Sent Sulpici de Roian) is a commune in the French department of Charente-Maritime, region of Nouvelle-Aquitaine (formerly Poitou-Charentes), southwestern France.