Cognomen รุ่งฟ้า (Rungfa 
, Rungfah , Rungfha ) , worldwide, is a very rare family name. The surname รุ่งฟ้า is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname, and Malaysia, where it is an extremely rare surname. More prevalently, รุ่งฟ้า is the forename as well as the last name.