| Trégueux | |
| Native Name: | Tregaeg |
| Commune Status: | Commune |
| Image Coat Of Arms: | COA fr Trégueux.svg |
| Coordinates: | 48.4914°N -2.7364°W |
| Insee: | 22360 |
| Postal Code: | 22950 |
| Arrondissement: | Saint-Brieuc |
| Canton: | Trégueux |
| Mayor: | Christine Métois-Le Bras[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Saint-Brieuc Armor |
| Elevation Min M: | 20 |
| Elevation Max M: | 170 |
| Area Km2: | 14.57 |
Trégueux (in French pronounced as /tʁeɡø/;) is a commune in the Côtes-d'Armor department of Brittany in northwestern France.
Inhabitants of Trégueux are called trégueusiens in French.
In 2008, 2.7% of primary school children attended bilingual schools.[2]