Cognomen Hunhan (Hunhan 
, หุนหัน 
) , globally, is a rare surname. The surname Hunhan is characteristic of South-eastern Asia, particularly Malaysia, where it is a rare surname, Myanmar, where it is a very rare surname, and Vietnam. Not in comparison with a country's population, it is the most numerous in South-eastern Asia, particularly Malaysia, Myanmar, and Indonesia. Very seldom, Hunhan is the forename as well as the last name.