阿尔卡塔尔克 （俄语：Аркадак）是俄罗斯萨拉托夫州的一个城市，位于萨拉托夫以西248公里的霍皮奥尔河畔。2002年人口14,438人。

1721年创建，1963年设市。

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, 248 kilometers (154 mi) west of Saratov, the administrative center of the oblast. Population: 12,845(2010 Census);14,438(2002 Census);14,244(**** Census).