Family name Киа (Kia 
, Киа 
) , in all the world, is a common surname. The cognomen Киа is habitual in Malaysia, where it is quite a common surname, Papua New Guinea, where it is quite a rare surname, and Brunei. Not in comparison with a country's population, it is commonest in Indonesia, Malaysia, and Iran. Likewise, Киа is the forename as well as the last name.