Cognomen ชัยวิรัตน์ (ชัยวิรัตน์ 
, Chaiwirat ) , across the world, is a rare family name. The surname ชัยวิรัตน์ is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. Much less frequently, ชัยวิรัตน์ is the forename as well as the last name.