| Brielles | |
| Native Name: | (Gallo) |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason de Brielles.svg |
| Coordinates: | 48.0094°N -1.0892°W |
| Insee: | 35042 |
| Postal Code: | 35370 |
| Arrondissement: | Fougères-Vitré |
| Canton: | La Guerche-de-Bretagne |
| Mayor: | Élisabeth Delahaye[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Vitré Communauté |
| Elevation Min M: | 67 |
| Elevation Max M: | 109 |
| Area Km2: | 11.40 |
Brielles (pronounced as /fr/; ; Gallo: Berièll) is a commune in the Ille-et-Vilaine department in Brittany in northwestern France.
Inhabitants of Brielles are called Briellois in French.