| Cagno | |
| Official Name: | Comune di Cagno |
| Coordinates: | 45.8167°N 63°W |
| Region: | Lombardy |
| Province: | Como (CO) |
| Frazioni: | Brughiera, Rocca |
| Mayor: | Claudio Ronchini |
| Area Total Km2: | 3.53 |
| Population Footnotes: | [1] |
| Population Total: | 2035 |
| Population As Of: | 31 March 2017 |
| Population Demonym: | Cagnesi |
| Elevation M: | 405 |
| Postal Code: | 22070 |
| Area Code: | 031 |
Cagno (Comasco: Cagn pronounced as /ˈkaɲ/) is a comune (municipality) in the Province of Como in the Italian region Lombardy, located about 45km (28miles) northwest of Milan and about 13km (08miles) west of Como.
Cagno borders the following municipalities: Albiolo, Cantello, Malnate, Rodero, Solbiate, Valmorea.