| La Trinité-Porhoët | |
| Native Name: | An Drinded-Porc'hoed |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr La Trinité-Porhoët (Morbihan).svg |
| Coordinates: | 48.0992°N -2.5433°W |
| Insee: | 56257 |
| Postal Code: | 56490 |
| Arrondissement: | Pontivy |
| Canton: | Ploërmel |
| Mayor: | Michel Philippe[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Ploërmel Communauté |
| Elevation Min M: | 67 |
| Elevation Max M: | 145 |
| Area Km2: | 12.70 |
La Trinité-Porhoët (in French pronounced as /la tʁinite pɔʁwɛt/;[2]) is a commune in the Morbihan department of Brittany in north-western France.[3] Inhabitants of La Trinité-Porhoët are called in French Trinitais.