Cognomen รุจิวรรณ์ (รุจิวรรณ์ 
) , in the entire world, is a very rare surname. The family name รุจิวรรณ์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Likewise, รุจิวรรณ์ is the forename as well as the last name.