| Bernes-sur-Oise | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Bernes-sur-Oise.svg |
| Coordinates: | 49.1617°N 2.3014°W |
| Arrondissement: | Pontoise |
| Canton: | L'Isle-Adam |
| Intercommunality: | Haut Val-d'Oise |
| Mayor: | Olivier Anty[1] |
| Term: | 2020 - 2026 |
| Elevation Min M: | 24 |
| Elevation Max M: | 81 |
| Area Km2: | 5.45 |
| Insee: | 95058 |
| Postal Code: | 95340 |
Bernes-sur-Oise (in French pronounced as /bɛʁn syʁ waz/, literally Bernes on Oise) is a commune in the Val-d'Oise department in Île-de-France in northern France.