| Baye | |
| Native Name: | Bei |
| Commune Status: | Commune |
| Coordinates: | 47.8581°N -3.6033°W |
| Insee: | 29005 |
| Postal Code: | 29300 |
| Arrondissement: | Quimper |
| Canton: | Quimperlé |
| Mayor: | Pascal Bozec[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CA Quimperlé Communauté |
| Elevation Min M: | 13 |
| Elevation Max M: | 70 |
| Area Km2: | 7.29 |
Baye (in French pronounced as /bɛj/;) is a commune in the Finistère department and administrative region of Brittany in north-western France.
In French the inhabitants of Baye are known as Bayois.
Baye is located in the southeast of Finistère, 4km (02miles) west of Quimperlé, 21.5km (13.4miles) northwest of Lorient and 40km (30miles) east of Quimper. Historically, Baye belongs to Cornouaille.