Cognomen ขวัญดี (ขวัญดี 
, Khwandee , Kwandee 
) , around the globe, is quite a rare last name. The cognomen ขวัญดี is habitual in Thailand, where it is quite a rare surname, Netherlands, where it is a very rare surname, and the United States, where it is an extremely rare surname. Much less frequently, ขวัญดี is the forename as well as the last name.