| Montjoi | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Montjoi (Aude).svg |
| Arrondissement: | Narbonne |
| Canton: | Les Corbières |
| Insee: | 11250 |
| Postal Code: | 11330 |
| Mayor: | Jessica Bosch[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 42.9936°N 2.4831°W |
| Elevation M: | 350 |
| Elevation Min M: | 249 |
| Elevation Max M: | 875 |
| Area Km2: | 7.18 |
Montjoi (in French pronounced as /mɔ̃ʒwa/; Occitan (post 1500);: Montjòi) is a commune in the Aude department in southern France.
The commune is located in the Corbières Massif.
The village lies in the middle of the commune, high above the left bank of the Orbieu, which flows northeast through the commune.