Family name Chankhan (Chankhan 
) , all around the world, is a very rare cognomen. The cognomen Chankhan is habitual in South-eastern Asia, particularly Singapore, where it is a rare surname, Thailand, where it is a very rare surname, and Malaysia, where it is an extremely rare surname. In absolute terms, it most frequently occurs in Thailand, Singapore, and India. Also, Chankhan is the forename as well as the last name.