| Petina | |
| Official Name: | Comune di Petina |
| Coordinates: | 40.5333°N 37°W |
| Province: | (SA) |
| Area Total Km2: | 35.09 |
| Population Footnotes: | [1] |
| Population Total: | 1227 |
| Population As Of: | 1 April 2009 |
| Elevation M: | 649 |
| Saint: | Sant'Onofrio |
| Day: | 2 August |
| Postal Code: | 84020 |
| Area Code: | 0828 |
| Istat: | 065094 |
| Frazioni: | Auletta, Corleto Monforte, Ottati, Sant'Angelo a Fasanella, Sicignano degli Alburni |
Petina (Campanian: Neapolitan: Appetine) is a town and comune in the province of Salerno in the Campania region of south-western Italy.
The town is located on the Alburni mountain range, close to Basilicata region, and borders with the municipalities of Auletta, Corleto Monforte, Ottati, Sant'Angelo a Fasanella and Sicignano degli Alburni.
It is served by the A2 motorway (exit "Petina") and counts a railway station on the Sicignano-Lagonegro line, a railway line closed in 1987 due to modernization works.