Family name รัญชนาภรณ์ (Runchanaporn 
, รัญชนาภรณ์ ) , worldwide, is an extremely rare cognomen. The surname รัญชนาภรณ์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Likewise, รัญชนาภรณ์ is the forename as well as the last name.