Surname Hadsan (ฮาซัน 
, Hadsan 
) , across the world, is a rare family name. The surname Hadsan is characteristic of Bulgaria, where it is a rare surname, Thailand, and Philippines, where it is a very rare surname. Not in comparison with a country's population, this name is the most popular in Thailand, Philippines, and India. More frequently, Hadsan is the forename as well as the last name.