Agios Dimitrios (Greek: Άγιος Δημήτριος meaning Saint Dimitrios, before 1928: Μπραχάμι - Brachami) is a suburb in the southern part of the Athens agglomeration, Greece.
Agios Dimitrios is situated 5 km south of Athens city centre, and 4 km from the Saronic Gulf coast. The municipality has an area of 4.949 km2. Vouliagmenis Avenue connects it with central Athens and the southern suburbs. The suburb is connected with Line 2 of the Athens Metro through Alexandros Panagoulis station.
The most important clubs based in Agios Dimitrios is the football club Agios Dimitrios F.C. and the basketball club Cronus Agios Dimitrios.