| Trégomeur | |
| Native Name: | Tregonveur |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason de la ville de Trégomeur (Côtes-d'Armor).svg |
| Coordinates: | 48.5664°N -2.8806°W |
| Insee: | 22356 |
| Postal Code: | 22590 |
| Arrondissement: | Guingamp |
| Canton: | Plélo |
| Mayor: | Denis Manac'h[1] |
| Term: | 2020 - 2026 |
| Elevation Min M: | 20 |
| Elevation Max M: | 123 |
| Area Km2: | 10.37 |
Trégomeur (in French pronounced as /tʁeɡɔmœʁ/;) is a commune in the Côtes-d'Armor department of Brittany in northwestern France.
Inhabitants of Trégomeur are called trégomeurois in French.