| Saint-Romain-en-Viennois | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr SaintRomainViennois (Vaucluse).svg |
| Arrondissement: | Carpentras |
| Canton: | Vaison-la-Romaine |
| Insee: | 84116 |
| Postal Code: | 84110 |
| Mayor: | Alain Bertrand[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Vaison Ventoux |
| Coordinates: | 44.2589°N 5.1103°W |
| Elevation Min M: | 219 |
| Elevation Max M: | 447 |
| Area Km2: | 9 |
Saint-Romain-en-Viennois is a commune in the Vaucluse department in the Provence-Alpes-Côte d'Azur region in southeastern France.