Last name ฟ้าสาง (Fawsan 
, Fasang 
, ฟ้าสาง) , across the world, is a rare cognomen. The cognomen ฟ้าสาง is characteristic of Slovakia, where it is quite a rare surname, Sri Lanka, and Qatar, where it is a rare surname. Not in comparison with a country's population, this name is the most popular in Sri Lanka, Slovakia, and Indonesia. Very seldom, ฟ้าสาง is the forename as well as the last name.