| Saint-Laurent-d'Onay | |
| Commune Status: | Commune |
| Arrondissement: | Valence |
| Canton: | Drôme des collines |
| Insee: | 26310 |
| Postal Code: | 26350 |
| Mayor: | Nadine Chevrol[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CA Valence Romans Agglo |
| Coordinates: | 45.18°N 5.1°W |
| Elevation M: | 410 |
| Elevation Min M: | 317 |
| Elevation Max M: | 507 |
| Area Km2: | 6.28 |
Saint-Laurent-d'Onay (in French pronounced as /sɛ̃ loʁɑ̃ dɔnɛ/; Sent-Lôrent-dʼÔnê) is a commune in the Drôme department in southeastern France.