Nea Ionia (Greek: Νέα Ιωνία, meaning New Ionia) is a northern suburb of Athens, Greece, and a municipality of the Attica region. It was named after Ionia, the region in Anatolia from which many Greeks migrated in the 1920s as a part of the Population exchange between Greece and Turkey.
Nea Ionia is 7 km northeast of Athens city centre. It is served by three STASY commuter rail stations: Nea Ionia, Pefkakia and Perissos.
Nea Ionia is the seat of the clubs O.F. Nea Ionia (Όμιλος Φιλάθλων Νέας Ιωνίας), club founded in 1926 with achievements in handball and Nea Ionia F.C..