| Montoulieu | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Montoulieu (Hérault).svg |
| Arrondissement: | Lodève |
| Canton: | Lodève |
| Insee: | 34171 |
| Postal Code: | 34190 |
| Mayor: | Guilhem Chafiol[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Cévennes Gangeoises et Suménoises |
| Coordinates: | 43.9281°N 3.7914°W |
| Elevation M: | 180 |
| Elevation Min M: | 159 |
| Elevation Max M: | 522 |
| Area Km2: | 16.1 |
Montoulieu (in French pronounced as /mɔ̃tuljø/; Occitan (post 1500);: Montoliu) is a commune in the Hérault department in the Occitanie region in southern France.