| Santa Marina | |
| Official Name: | Comune di Santa Marina |
| Coordinates: | 40.1055°N 15.5414°W |
| Region: | Campania |
| Province: | Salerno (SA) |
| Frazioni: | Lupinata, Policastro Bussentino, Poria |
| Mayor: | Giovanni Fortunato |
| Area Total Km2: | 28.36 |
| Population Footnotes: | [1] |
| Population Total: | 3239 |
| Population As Of: | 28 February 2017 |
| Population Demonym: | Santamarinesi |
| Elevation M: | 415 |
| Saint: | St. Marina |
| Day: | 18 June |
| Postal Code: | 84070 |
| Area Code: | 0974 |
Santa Marina is a town and comune in the province of Salerno in the Campania region of south-western Italy.
The municipality, located in southern Cilento, borders with Ispani, Morigerati, San Giovanni a Piro, Torre Orsaia, Tortorella and Vibonati.
Santa Marina counts 3 hamlets (frazioni): Lupinata, Policastro Bussentino and Poria. Policastro is the most populated municipal settlement and a sea resort.