| Tréguidel | |
| Native Name: | Tregedel |
| Commune Status: | Commune |
| Coordinates: | 48.6025°N -2.9425°W |
| Insee: | 22361 |
| Postal Code: | 22290 |
| Arrondissement: | Guingamp |
| Canton: | Plouha |
| Mayor: | André Guillaume[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Leff Armor Communauté |
| Elevation Min M: | 82 |
| Elevation Max M: | 117 |
| Area Km2: | 6.56 |
Tréguidel (in French pronounced as /tʁeɡidɛl/; Breton: Tregedel) is a commune in the Côtes-d'Armor department of Brittany in northwestern France.
Inhabitants of Tréguidel are called tréguidelais in French.