| Montemignaio | |
| Official Name: | Comune di Montemignaio |
| Coordinates: | 43.7333°N 48°W |
| Region: | Tuscany |
| Province: | Arezzo (AR) |
| Frazioni: | Assillo, Brustichino, Cameronci, Campiano, Casodi, Castello, Cerreto, Consuma, Cozzo, Forcanasso, Fornello, Fossatello, La Fonte, Liconia, Masso, Masso Rovinato, Molino, Pieve, Poggiolino, Prato, Santo, Secchieta, Serraia, Treggiaia, Valendaia, Vignola |
| Mayor: | Roberto Pertichini |
| Area Total Km2: | 26.1 |
| Population Total: | 546 |
| Population As Of: | 30 November 2017[1] |
| Population Demonym: | Montemignaiesi |
| Elevation M: | 739 |
| Postal Code: | 52010 |
| Area Code: | 0575 |
Montemignaio is a comune (municipality) in the Province of Arezzo in the Italian region Tuscany, located about 30km (20miles) east of Florence and about 35km (22miles) northwest of Arezzo.
Montemignaio borders the following municipalities: Castel San Niccolò, Pelago, Pratovecchio, Reggello, Rufina.