>
Family name Kozai (Kozai , 香西 , Козай ) , around the world, is a rare cognomen. The cognomen Kozai is habitual in Kazakhstan, where it is a rare surname, Israel, and Denmark, where it is a very rare surname. In absolute terms, it is commonest in the United States, Kazakhstan, and Japan. Likewise, Kozai is the forename as well as the last name.