Agios Vasileios is a town in Lixouri Municipality, in the regional unit of Cephalonia, in the region of Ionian Islands, Greece. Agios Vasileios lies 0.8 km from the Paliki mountains. It has 200 inhabitants (2021). The nearest city is Agrinio, 98 km to the northeast. Beaches nearby: Megas Lakos (5.7 km), Xi (5.8 km), Lithos (5.2 km). Among the landmarks around are Cranii (9.7 km), Castle of Saint George (14.1 km) and Pale (1.9 km). Among the natural features are Vardianoi (8.6 km).

Also written Άγιος Βασίλειος.