Alimos (Greek: Άλιμος) is a municipality in Attica, Greece. It was formed in 1968 comprising two settlements, the suburban seaside town of Kalamaki (Greek: Καλαμάκι), and the inland community of Trachones (Greek: Τράχωνες).
Alimos had 41,720 inhabitants in the 2011 census.
The main roads of Alimos are Poseidonos Avenue along the coast, Kalamakiou Avenue and Alimou Avenue. The nearest subway station is at Alimos metro station, in the eastern part of the municipality. The western, coastal part of the municipality is connected with Athens city centre by the Tram.
Alimos experiences hot, dry summers and mild, wetter winters.