Cognomen ชั่น (Chan 
, ชั่น) , worldwide, is a prevalent last name. The surname ชั่น is characteristic of Hong Kong, where it is a prevalent surname, Macao, and Bermuda (explore the name in all countries). Not in comparison with a country's population, it most frequently occurs in Hong Kong, Myanmar, and China. Also, ชั่น is the forename as well as the last name.