Cognomen แก้วนก (Parrot 
, แก้วนก) , throughout the world, is quite a rare surname. The surname แก้วนก is characteristic of France, where it is quite a rare surname, Myanmar, where it is a rare surname, and Denmark. Measured by absolute frequency, it is the most numerous in France, Myanmar, and the United States. Much less frequently, แก้วนก is the forename as well as the last name.