| Bréançon | |
| Commune Status: | Commune |
| Coordinates: | 49.1431°N 2.0222°W |
| Arrondissement: | Pontoise |
| Canton: | Pontoise |
| Intercommunality: | CC Vexin Centre |
| Mayor: | Gilles Molland[1] |
| Term: | 2020 - 2026 |
| Elevation Min M: | 79 |
| Elevation Max M: | 203 |
| Area Km2: | 10.61 |
| Insee: | 95102 |
| Postal Code: | 95640 |
Bréançon (in French pronounced as /bʁeɑ̃sɔ̃/) is a commune in the Val-d'Oise department in Île-de-France in northern France.