| Gaios | |
| Name Local: | Γάιος |
| Type: | community |
| Caption Skyline: | Rows of houses in Gaios, as seen from the strait |
| Coordinates: | 39.2°N 31°W |
| Periph: | Ionian Islands |
| Periphunit: | Corfu |
| Municipality: | Paxos |
| Population As Of: | 2021 |
| Population: | 1396 |
Gaios (Greek, Modern (1453-);: Γάιος, in Greek, Modern (1453-); pronounced as /ˈɣaʝos/) is the main port on Paxos, the smallest of the seven principal Ionian Islands, in Greece. Gaios is situated on the east coast of the island. It is named after a homonymous pupil of Paul the Apostle, who brought Christianity to the island.