Cognomen ก่วน (Kuan 
, ก่วน) , in the world, is a widespread surname. The surname ก่วน is characteristic of Macao, where it is a common surname, Malaysia, and Brunei, where it is quite a common surname (explore the name in all countries). Measured by absolute frequency, the name is most common in Malaysia, China, and Mozambique. Much less frequently, ก่วน is the forename as well as the last name.