| Bonlieu-sur-Roubion | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Bonlieu-sur-Roubion 26.svg |
| Arrondissement: | Nyons |
| Canton: | Dieulefit |
| Insee: | 26052 |
| Postal Code: | 26160 |
| Mayor: | Allain Dorlhiac[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Montélimar Agglomération |
| Coordinates: | 44.5953°N 4.8822°W |
| Elevation Min M: | 130 |
| Elevation Max M: | 212 |
| Area Km2: | 6.05 |
Bonlieu-sur-Roubion (in French pronounced as /bɔ̃ljø syʁ ʁubjɔ̃/) is a commune in the Drôme department in southeastern France.