Cognomen ศิลาวรรณ์ (ศิลาวรรณ์ 
) , throughout the world, is a very rare last name. The cognomen ศิลาวรรณ์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Also, ศิลาวรรณ์ is the forename as well as the last name.