Family name Kezai (Kezai 
) , in the entire world, is a rare cognomen. The cognomen Kezai is habitual in Hungary, where it is quite a rare surname, Algeria, where it is a rare surname, and Belgium, where it is a very rare surname. In absolute terms, it is commonest in Algeria, Hungary, and France. Very seldom, Kezai is the forename as well as the last name.