| Plonévez-Porzay | |
| Native Name: | Plonevez-Porzhe |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Plonévez-Porzay (Finistère).svg |
| Coordinates: | 48.1264°N -4.2186°W |
| Elevation Min M: | 0 |
| Elevation Max M: | 126 |
| Insee: | 29176 |
| Postal Code: | 29550 |
| Arrondissement: | Châteaulin |
| Canton: | Crozon |
| Mayor: | Paul Divanac'h[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Pleyben-Châteaulin-Porzay |
| Area Km2: | 29.23 |
Plonévez-Porzay (in French pronounced as /plɔneve pɔʁzɛ/;) is a commune in the Finistère department of Brittany in north-western France.
Inhabitants of Plonévez-Porzay are called in French Plonévéziens.