| Terjat | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Terjat 03.svg |
| Arrondissement: | Montluçon |
| Canton: | Montluçon-3 |
| Insee: | 03280 |
| Postal Code: | 03420 |
| Mayor: | Jérôme Pernelle[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CA Montluçon Communauté |
| Coordinates: | 46.2044°N 2.6161°W |
| Elevation M: | 515 |
| Elevation Min M: | 378 |
| Elevation Max M: | 541 |
| Area Km2: | 17.74 |
Terjat (in French pronounced as /tɛʁʒa/; Occitan (post 1500);: Terjac) is a commune in the Allier department in Auvergne-Rhône-Alpes in central France.