| Saint-Thurial | |
| Native Name: | (Gallo) |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr St-Thurial (Ille-et-Vilaine).svg |
| Coordinates: | 48.03°N -1.9306°W |
| Insee: | 35319 |
| Postal Code: | 35310 |
| Arrondissement: | Rennes |
| Canton: | Montfort-sur-Meu |
| Mayor: | David Moizan[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CC de Brocéliande |
| Elevation Min M: | 32 |
| Elevation Max M: | 128 |
| Area Km2: | 18.01 |
Saint-Thurial (in French pronounced as /sɛ̃ tyʁjal/; ; Gallo: Saent-Turiau) is a commune in the Ille-et-Vilaine department in Brittany in northwestern France.
Inhabitants of Saint-Thurial are called Thurialais in French.