Aginskoye, village, southern Zabaykalye kray (territory), southern Siberia, Russia. It is situated in the Aga River valley.
Aginskoye was the former administrative centre of Agin-Buryat autonomous okrug (district). In 2008 Agin-Buryat merged with Chita oblast (region) to form Zabaykalye kray. The village was founded in 1811. It has small food-processing industries. Pop. (2010) 15,596; (2014 est.) 16,979.