| Agios Polykarpos | |
| Coordinates: | 38.3508°N 21.7028°W |
| Georegion: | Western Greece |
| Periphunit: | Aetolia-Acarnania |
| Municipality: | Nafpaktia |
| Municunit: | Antirrio |
| Community: | Makyneia |
| Population As Of: | 2021 |
| Population: | 26 |
| Postal Code: | 303 00 |
| Area Code: | 26340 |
| Licence: | ME |
Agios Polykarpos (Greek, Modern (1453-);: Άγιος Πολύκαρπος) is a seaside settlement in Nafpaktia, Aetolia-Acarnania, Greece, located 6 km west of Antirrio and 15 km southwest of Nafpaktos.[1] [2] According to the 2021 census, it had 26 inhabitants.
The settlement is named after the church of Saint Polycarpus.
In 1981, Agios Polykarpos became a settlement of the community of Makyneia. In 1989, Agios Polykarpos became part of the municipality of Antirrio, which is a municipal unit of the municipality of Nafpaktia since 2011.[3]