Surname Inhan (Inhan 
, อินหัน ) , all over the world, is a rare last name. The last name Inhan is habitual in Thailand, where it is a rare surname, Brazil, where it is a very rare surname, and Turkey. Not in comparison with a country's population, it is the most numerous in Thailand, Brazil, and Nigeria. More prevalently, Inhan is the forename as well as the last name.