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