Kupienin [kuˈpjɛnin] is a village in the administrative district of Gmina Mędrzechów, within Dąbrowa County, Lesser Poland Voivodeship, in southern Poland. It lies approximately 6 kilometres (4 mi) east of Mędrzechów, 15 km (9 mi) north of Dąbrowa Tarnowska, and 81 km (50 mi) east of the regional capital Kraków.