Koçköy is a small belde (town) in Arpaçay district of Kars Province, Turkey. The town is situated in the high plateau of Eastern Anatolia at . The distance to Arpaçay is and the distance to Kars is . The population of the town is 1213 as of 2011. The town was founded during the 19th century by Turks who escaped from The Russian armies during the Russo-Turkish War (1828-1829) and Russo-Turkish War (1853-1856) (Crimean War). The name of the town ("aries village") probably refers to an early totem.