Vyronas (Greek: Βύρωνας) is a suburban town and a municipality in the southeastern part of the Athens agglomeration, Greece. The town is named after George Gordon Byron, 6th Baron Byron, the famous English poet and writer, who is a national hero of Greece. Formerly part of the municipality of Athens, Vyronas was created as a community in 1933, and became a municipality in 1934.
The municipality has an area of 9.204 km2.
Vyronas is an inner suburb of Athens, located about 3 km southeast of Athens city centre. Towards the southeast the municipality extends to the forested Hymettus mountain. The built-up area of Vyronas is continuous with that of municipality of Athens and the neighbouring suburbs Kaisariani, Ymittos and Ilioupoli. Motorway 64 runs through the southeastern part of the municipality.