| Port-Brillet | |
| Commune Status: | Commune |
| Intercommunality: | Laval Agglomération |
| Arrondissement: | Laval |
| Canton: | Loiron-Ruillé |
| Mayor: | Fabien Robin[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 48.1128°N -0.9706°W |
| Elevation M: | 122 |
| Elevation Min M: | 98 |
| Elevation Max M: | 154 |
| Area Km2: | 8.10 |
| Insee: | 53182 |
| Postal Code: | 53410 |
Port-Brillet (in French pronounced as /pɔʁ bʁijɛ/) is a commune in the Mayenne department in north-western France.