Kouvaras (Greek: Κουβαράς) is a village and a former community in East Attica, Greece. Since the 2011 local government reform it is part of the municipality Saronikos, of which it is a municipal unit. The municipal unit has an area of 24.371 km2.
Kouvaras is situated in the southeastern part of the Attica peninsula. There are several low mountains around Kouvaras, including Panion to its southwest and Merenta to its north. It is 2 km north of Keratea, 4 km southeast of Kalyvia Thorikou and 27 km southeast of Athens city centre. The Greek National Road 89 (Gerakas - Koropi - Lavrio - Sounio) passes southwest of the town. The municipal unit Kouvaras also includes the village Neos Kouvaras (pop. 566), 1 km to the southwest.