| Grosotto | |
| Official Name: | Comune di Grosotto |
| Coordinates: | 46.2833°N 26°W |
| Region: | Lombardy |
| Province: | Sondrio (SO) |
| Mayor: | Giuseppe Saligari |
| Area Total Km2: | 53.12 |
| Population Footnotes: | [1] |
| Population Total: | 1625 |
| Population As Of: | 31 August 2017 |
| Population Demonym: | Grosottini |
| Elevation M: | 610 |
| Postal Code: | 23034 |
| Area Code: | 0342 |
Grosotto is a comune (municipality) in the Province of Sondrio in the Italian region Lombardy, located about 120km (80miles) northeast of Milan and about 35km (22miles) northeast of Sondrio, on the border with Switzerland.
Grosotto borders the following municipalities: Brusio (Switzerland), Grosio, Mazzo di Valtellina, Monno, Poschiavo (Switzerland), Vervio.