| En Name: | Arkadak |
| Ru Name: | Аркадак |
| Coordinates: | 51.9333°N 73°W |
| Map Label Position: | bottom |
| Image Coa: | Coat of Arms of Arkadak (Saratov oblast).png |
| Federal Subject: | Saratov Oblast |
| Adm District Jur: | Arkadaksky District |
| Adm Ctr Of: | Arkadaksky District |
| Inhabloc Cat: | Town |
| Mun District Jur: | Arkadaksky Municipal District |
| Urban Settlement Jur: | Arkadak Urban Settlement |
| Mun Admctr Of1: | Arkadaksky Municipal District |
| Mun Admctr Of1 Ref: | [1] |
| Mun Admctr Of2: | Arkadak Urban Settlement |
| Pop 2010Census: | 12845 |
| Established Date: | 1721 |
| Current Cat Date: | 1963 |
| Postal Codes: | 412210, 412211 |
| Dialing Codes: | 84542 |
Arkadak (Russian: Аркада́к) is a town and the administrative center of Arkadaksky District in Saratov Oblast, Russia, located on the Bolshoy Arkadak River near its confluence with the Khopyor, 248km (154miles) west of Saratov, the administrative center of the oblast. Population:
It was founded in 1721.[2] Urban-type settlement status was granted to it in 1939; town status was granted in 1963.
Within the framework of administrative divisions, Arkadak serves as the administrative center of Arkadaksky District, to which it is directly subordinated.[3] As a municipal division, the town of Arkadak, together with one rural locality (the settlement of Krasny), is incorporated within Arkadaksky Municipal District as Arkadak Urban Settlement.[4]
The town is home to the Arkadak Museum of local history, which was established in 1968.