Last name Kiaz (Kiaz 
) , in the entire world, is a rare surname. The surname Kiaz is habitual in Georgia, where it is a rare surname, the Democratic Republic of the Congo, and Malaysia, where it is a very rare surname. In absolute terms, it is the most numerous in the Democratic Republic of the Congo, Georgia, and Pakistan. Much less frequently, Kiaz is the forename as well as the last name.