| Montguillon | |
| Arrondissement: | Segré |
| Canton: | Segré |
| Insee: | 49208 |
| Postal Code: | 49500 |
| Commune: | Segré-en-Anjou Bleu |
| Coordinates: | 47.7286°N -0.7433°W |
| Elevation M: | 54 |
| Elevation Min M: | 46 |
| Elevation Max M: | 87 |
| Area Km2: | 11.91 |
| Population: | 215 |
| Population Date: | 2019 |
| Population Footnotes: | [1] |
| Demonym: | Montguillonnais, Montguillonnaise |
Montguillon (pronounced as /fr/) is a former commune in the Maine-et-Loire department in western France. On 15 December 2016, it was merged into the new commune Segré-en-Anjou Bleu.[2]