Surname หาญชาญชัย (หาญชาญชัย 
, Harncharnchai ) , throughout the world, is a very rare cognomen. The last name หาญชาญชัย is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Much less frequently, หาญชาญชัย is the forename as well as the last name.