Cognomen ศิริวิรัตน์ (ศิริวิรัตน์ 
, Siriwirat) , all around the world, is a very rare family name. The surname ศิริวิรัตน์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Very seldom, ศิริวิรัตน์ is the forename as well as the last name.