Cognomen Haeun (Haeun 
, 하은 ) , around the globe, is a rare last name. The family name Haeun is characteristic of South Korea, where it is quite a rare surname, Malaysia, where it is a very rare surname, and Chile, where it is an extremely rare surname. In absolute terms, it most frequently occurs in South Korea, Malaysia, and the United States. More frequently, Haeun is the forename as well as the last name.