Cognomen Chanpan (Chanpan 
, จันปัน ) , all around the world, is a rare surname. The family name Chanpan is characteristic of Thailand, where it is a rare surname, Brazil, where it is a very rare surname, and Malaysia, where it is an extremely rare surname. Measured by absolute frequency, it is the most numerous in Thailand, Brazil, and India. Much less frequently, Chanpan is the forename as well as the last name.