Family name คูนา (Cuna 
, Khuna 
, คูนา ) , across the world, is a common surname. The cognomen คูนา is characteristic of Mozambique, where it is quite a common surname, Philippines, where it is quite a rare surname, and Uruguay. Not in comparison with a country's population, it is commonest in Mozambique, Philippines, and Italy. Very seldom, คูนา is the forename as well as the last name.