| Tréglamus | |
| Native Name: | Treglañviz |
| Commune Status: | Commune |
| Coordinates: | 48.5578°N -3.2733°W |
| Insee: | 22354 |
| Postal Code: | 22540 |
| Arrondissement: | Guingamp |
| Canton: | Callac |
| Mayor: | Dominique Pariscoat[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Guingamp-Paimpol Agglomération |
| Elevation Min M: | 128 |
| Elevation Max M: | 295 |
| Area Km2: | 18.79 |
Tréglamus (in French pronounced as /tʁeɡlamys/;) is a commune in the Côtes-d'Armor department of Brittany in northwestern France.
Inhabitants of Tréglamus are called Cocagnards and Cocagnardes in French.