| Cassano Irpino | |
| Official Name: | Comune di Cassano Irpino |
| Coordinates: | 40.8714°N 15.0267°W |
| Province: | (AV) |
| Mayor: | Salvatore Vecchia |
| Area Total Km2: | 12.33 |
| Population Footnotes: | [1] |
| Population Total: | 964 |
| Population As Of: | 31 December 2017 |
| Population Demonym: | Cassanesi |
| Elevation M: | 510 |
| Saint: | St. Bartholomew the Apostle |
| Day: | 25 August |
| Postal Code: | 83040 |
| Area Code: | 0827 |
Cassano Irpino is a town and comune in the province of Avellino, Campania, southern Italy.