Cognomen แว่นแก้ว (Wankaew 
, Vankaew 
, แว่นแก้ว) , in all the world, is quite a rare surname. The surname แว่นแก้ว is characteristic of Thailand, where it is quite a rare surname, Malaysia, where it is an extremely rare surname, and the United Kingdom. In absolute terms, this name is the most popular in Thailand, China, and Malaysia. Very seldom, แว่นแก้ว is the forename as well as the last name.