Surname Changin (Changin 
, จังอิน , ชังอิน ) , across the world, is a rare family name. The surname Changin is habitual in Thailand, where it is a rare surname, Malaysia, where it is a very rare surname, and Russia. Measured by absolute frequency, this name is the most popular in Thailand, Russia, and China. Also, Changin is the forename as well as the last name.