Surname Halun (Alun 
, Halun 
, Халун 
) , around the globe, is quite a rare family name. The surname Halun is characteristic of Malaysia, where it is a rare surname, Chile, and Indonesia. In absolute terms, this name is the most popular in South-eastern Asia, particularly Indonesia, Philippines, and Malaysia. More frequently, Halun is the forename as well as the last name.