| Pontrieux | |
| Native Name: | Pontrev |
| Commune Status: | Commune |
| Image Flag: | Flag of Pontrieux.svg |
| Image Coat Of Arms: | Blason de la ville de Pontrieux (Côtes-d'Armor).svg |
| Coordinates: | 48.6992°N -3.1581°W |
| Insee: | 22250 |
| Postal Code: | 22260 |
| Arrondissement: | Guingamp |
| Canton: | Bégard |
| Mayor: | Samuel Le Gaouyat[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Guingamp-Paimpol Agglomération |
| Elevation Min M: | 7 |
| Elevation Max M: | 77 |
| Area Km2: | 1.02 |
Pontrieux (in French pronounced as /pɔ̃tʁi'jø/;) is a town and commune in the Côtes-d'Armor department of Brittany in northwestern France.
Inhabitants of Pontrieux are called pontriviens in French.