| Trédrez-Locquémeau | |
| Native Name: | Tredraezh-Lokemo |
| Commune Status: | Commune |
| Coordinates: | 48.6986°N -3.5644°W |
| Insee: | 22349 |
| Postal Code: | 22300 |
| Arrondissement: | Lannion |
| Canton: | Plestin-les-Grèves |
| Mayor: | Joël Le Jeune[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Lannion-Trégor Communauté |
| Elevation Min M: | 0 |
| Elevation Max M: | 120 |
| Area Km2: | 10.65 |
Trédrez-Locquémeau (in French pronounced as /tʁedʁɛz lɔkemo/;) is a commune in the Côtes-d'Armor department of Brittany in northwestern France.
Inhabitants of Trédrez-Locquémeau are called trédréziens in French, while those from Locquemeau are described in French as locquémois
The municipality launched a linguistic plan through Ya d'ar brezhoneg on 25 July 2006.