| Montesquieu-Guittaut | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Montesqieu-Guittaut (Haute-Garonne).svg |
| Arrondissement: | Saint-Gaudens |
| Canton: | Cazères |
| Insee: | 31373 |
| Postal Code: | 31230 |
| Mayor: | Virgnie Daneau[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 43.3389°N 0.7756°W |
| Elevation M: | 309 |
| Elevation Min M: | 219 |
| Elevation Max M: | 325 |
| Area Km2: | 10.06 |
Montesquieu-Guittaut (in French pronounced as /mɔ̃tɛskjø ɡito/; Occitan (post 1500);: Montesquiu de Guitaud) is a commune in the Haute-Garonne department in southwestern France.