Surname คั่ว (Khua 
, คั่ว) , worldwide, is a rare family name. The surname คั่ว is characteristic of South-eastern Asia, particularly Singapore, where it is quite a rare surname, Myanmar, where it is a rare surname, and Malaysia. Measured by absolute frequency, this name is the most popular in India, Myanmar, and Singapore. Likewise, คั่ว is the forename as well as the last name.