| Montourtier | |
| Arrondissement: | Mayenne |
| Canton: | Évron |
| Commune: | Montsûrs |
| Coordinates: | 48.2042°N -0.55°W |
| Elevation M: | 103 |
| Elevation Min M: | 97 |
| Elevation Max M: | 151 |
| Area Km2: | 19.09 |
| Population: | 364 |
| Population Date: | 2019 |
| Population Footnotes: | [1] |
| Insee: | 53159 |
| Postal Code: | 53150 |
Montourtier is a former commune in the Mayenne department in north-western France.
On 1 January 2019 the commune was unified with Montsûrs-Saint-Céneré, Deux-Évailles and Saint-Ouën-des-Vallons, and the new municipality took the name of Montsûrs.[2]