| Polichnitos | |
| Name Local: | Πολίχνιτος |
| Type: | municipal unit |
| Periph: | North Aegean |
| Periphunit: | Lesbos |
| Municipality: | West Lesbos |
| Pop Municunit: | 3438 |
| Pop Community: | 2041 |
| Population As Of: | 2021 |
| Area Municunit: | 172.6 |
| Coordinates: | 39.0833°N 37°W |
| Licence: | MY |
Polichnitos (Greek, Modern (1453-);: Πολίχνιτος) is a town and a former municipality on the island of Lesbos, North Aegean, Greece. Since the 2019 local government reform it is part of the municipality West Lesbos, of which it is a municipal unit.[1] Population 3,438 (2021). The municipal unit is located in the central south coast of the island, adjacent to the south side of the Bay of Kalloni. It has a land area of 172.629 km2.[2] Its municipal seat is in the town of Polichnítos. The next largest villages are Vrísa, Vasiliká, and Lisvóri.