Family name 哈恩 (Chan 
, Hahn , Harn ) , in all the world, is a prevalent cognomen. The family name 哈恩 is habitual in Hong Kong, where it is a prevalent surname, Macao, and Bermuda (explore the name in all countries). Not in comparison with a country's population, it is commonest in Hong Kong, Myanmar, and China. Very seldom, 哈恩 is the forename as well as the last name.