| Agia Marina | |
| Name Local: | Αγία Μαρίνα |
| Periph: | South Aegean |
| Periphunit: | Kea-Kythnos |
| Municipality: | Kea |
| Population: | 13 |
| Population As Of: | 2021 |
| Coordinates: | 37.6158°N 24.3008°W |
Agia Marina (Greek, Modern (1453-);: Αγία Μαρίνα) is a village in the municipality of Kea in the regional unit of Kea-Kythnos.