| Bréau | |
| Commune Status: | Commune |
| Coordinates: | 48.5622°N 2.8792°W |
| Insee: | 77052 |
| Postal Code: | 77720 |
| Arrondissement: | Provins |
| Canton: | Nangis |
| Mayor: | Alain Thibaud[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CC Brie Nangissienne |
| Elevation Min M: | 87 |
| Elevation Max M: | 113 |
| Area Km2: | 1.35 |
Bréau (in French pronounced as /bʁeo/) is a commune in the Seine-et-Marne department in the Île-de-France region in north-central France.
The inhabitants are called Bréautins.