Cognomen Amchang (Amchang 
) , across the world, is a very rare last name. The surname Amchang is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
Manoo, Monta, Vanlop, Supakit, Daranit, Jeranan, Charotorn, Nuttanan, Pondrakit, Chongkolnee, Chompoonut, Benchaporn, and Patcharakan