| Brillevast | |
| Commune Status: | Commune |
| Arrondissement: | Cherbourg |
| Canton: | Val-de-Saire |
| Insee: | 50086 |
| Postal Code: | 50330 |
| Mayor: | Gérard Vansteelant[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CA Cotentin |
| Coordinates: | 49.6283°N -1.4131°W |
| Elevation M: | 127 |
| Elevation Min M: | 37 |
| Elevation Max M: | 132 |
| Area Km2: | 9.07 |
Brillevast (in French pronounced as /bʁilva/) is a commune in the Manche department in Normandy in northwestern France.