Balkusan (formerly called Balgusan, Balkasun) is a village in Ermenek District, Karaman Province, Central Anatolia, Turkey.

[2] It is situated in a high plateau of the Taurus Mountains.

The origin of the village residents are Turkmens of Afshar tribe who had migrated from the Central Asia in the Medieval Age.

The name of the village may refer to Balasagun, a historical city in Kyrgyzstan.

Main economic activity of the village is agriculture.