| Irvillac | |
| Native Name: | Irvilhag |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason d'Irvillac.svg |
| Coordinates: | 48.3711°N -4.2111°W |
| Insee: | 29086 |
| Postal Code: | 29460 |
| Arrondissement: | Brest |
| Canton: | Pont-de-Buis-lès-Quimerch |
| Mayor: | Jean-Noël Le Gall[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CA Pays de Landerneau-Daoulas |
| Elevation Min M: | 3 |
| Elevation Max M: | 134 |
| Area Km2: | 29.60 |
Irvillac (in French pronounced as /iʁvijak/;) is a commune in the Finistère department and administrative region of Brittany in north-western France.
In French the inhabitants of Irvillac are known as Irvillacois.