Family name Kivak (Kivak 
) , in the world, is a very rare surname. The cognomen Kivak is habitual in Estonia, where it is a rare surname, Turkey, where it is a very rare surname, and the United States, where it is an extremely rare surname. Not in comparison with a country's population, the name is most common in Turkey, the United States, and India. Very seldom, Kivak is the forename as well as the last name.