Ano Souli is a town in Marathonas Municipality, in the regional unit of East Attica, in the region of Attica, Greece. Ano Souli lies at 236 m above sea level, 10.2 km from the Parnitha mountains. It has 246 inhabitants (2021). The nearest city is Kifissia, 18.6 km to the southwest. Beaches nearby: Mikro Sesi (6.8 km), Schinia (6.5 km), Marathona (7.4 km). Among the landmarks around are Parthenon (32 km), Rhamnous (5.7 km) and Platonic Academy (32 km). Among the natural features are Mount Lycabettus (30 km) and Davelis Cave (15.4 km).

Also written Άνω Σούλι.