Surname Amchan (Amchan 
, อ่ำจั่น) , all around the world, is a very rare cognomen. The last name Amchan is characteristic of Georgia, where it is a very rare surname, Thailand, and the United States, where it is an extremely rare surname. In absolute terms, it is commonest in Thailand, China, and the United States. Likewise, Amchan is the forename as well as the last name.