| Saint-Bihy | |
| Native Name: | Sant-Bic'hi |
| Commune Status: | Commune |
| Coordinates: | 48.3797°N -2.9694°W |
| Insee: | 22276 |
| Postal Code: | 22800 |
| Arrondissement: | Saint-Brieuc |
| Canton: | Plélo |
| Mayor: | Olivier Mérot[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Saint-Brieuc Armor |
| Elevation Min M: | 185 |
| Elevation Max M: | 315 |
| Area Km2: | 8.22 |
Saint-Bihy (in French pronounced as /sɛ̃ biji/; ; Gallo: Saent-Mehi) is a commune in the Côtes-d'Armor department of Brittany in northwestern France.
Inhabitants of Saint-Bihy are called bihicois in French.