| Grigno | |
| Official Name: | Comune di Grigno |
| Coordinates: | 46.0167°N 49°W |
| Region: | Trentino-Alto Adige/Südtirol |
| Province: | Trentino (TN) |
| Frazioni: | Selva di Grigno, Puele, Maso Tollo, Palù, Serafini, Belvedere, Tezze, Martincelli, Pianello di sopra, Pianello di sotto |
| Mayor: | Leopoldo Fogarotto |
| Area Total Km2: | 46.4 |
| Population Total: | 2197 |
| Population As Of: | 28 February 2017[1] |
| Population Demonym: | Grignati |
| Elevation M: | 263 |
| Postal Code: | 38055 |
| Area Code: | 0461 |
Grigno (Grigno in local dialect) is a comune (municipality) in Trentino in the northern Italian region Trentino-Alto Adige/Südtirol, located about 40km (30miles) east of Trento.
Grigno borders the following municipalities: Castello Tesino, Cinte Tesino, Ospedaletto, Arsiè, Asiago, Cismon del Grappa and Enego. it is home to the Grotta della Bigonda and Grotta Calgeron grotto complexes, as well as two prehistorical archaeological sites (Riparo Dalmeri and Grotta di Ernesto).