Cognomen Kunco (Kunco 
, Кунцьо 
) , throughout the world, is a rare surname. The cognomen Kunco is habitual in Ukraine, where it is a rare surname, Slovakia, and Indonesia, where it is a very rare surname. In absolute terms, it most frequently occurs in Ukraine, Indonesia, and the United States. Much less frequently, Kunco is the forename as well as the last name.