Cognomen วรรณวัฒน์ (Wannawat 
, วรรณวัฒน์ , Wanawat ) , globally, is a rare surname. The family name วรรณวัฒน์ is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname, and Malaysia, where it is an extremely rare surname. Also, วรรณวัฒน์ is the forename as well as the last name.