Worldwide, รตนวรรณ (รตนวรรณ 
) is a very rare dominantly girly, but seldom masculine first name. The first name รตนวรรณ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare mostly female, but seldom male name. Very seldom, รตนวรรณ is the last name as well as the forename.