| Magreglio | |
| Official Name: | Comune di Magreglio |
| Coordinates: | 45.9167°N 25°W |
| Province: | (CO) |
| Mayor: | Giovanna Arrigoni |
| Area Total Km2: | 3 |
| Population Total: | 601 |
| Population As Of: | March 2008 |
| Population Demonym: | Magregliesi (Duturùn is the traditional name in Western Lombard) |
| Elevation M: | 658 |
| Saint: | Saint Martha |
| Day: | 29 July |
| Postal Code: | 22030 |
| Area Code: | 031 |
Magreglio (Valassinese Magrei pronounced as /maˈɡrɛj/) is a small town in the province of Como, Lombardy, Italy.