Surname จุลวรรณ (Julawan 
, Chularwan , จุลวรรณ ) , around the globe, is a rare cognomen. The surname จุลวรรณ is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname, and Philippines, where it is an extremely rare surname. More prevalently, จุลวรรณ is the forename as well as the last name.