Last name カズト (Kazuto 
, カズト ) , across the world, is a common cognomen. The surname カズト is habitual in Japan, where it is quite a rare surname, Indonesia, where it is a rare surname, and Malaysia, where it is a very rare surname. Not in comparison with a country's population, it is commonest in Japan, Indonesia, and China. Very seldom, カズト is the forename as well as the last name.