| Saint-Romain-d'Ay | |
| Commune Status: | Commune |
| Arrondissement: | Tournon-sur-Rhône |
| Canton: | Haut-Vivarais |
| Insee: | 07292 |
| Postal Code: | 07290 |
| Mayor: | Norbert Coll[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Val d'Ay |
| Coordinates: | 45.1675°N 4.6661°W |
| Elevation Min M: | 315 |
| Elevation Max M: | 586 |
| Area Km2: | 9.36 |
Saint-Romain-d'Ay (in French pronounced as /sɛ̃ ʁɔmɛ̃ dɛ/; Vivaro-Alpine: Sant Roman d'Ai) is a commune in the Ardèche department in southern France.