Last name วงศ์ขวัญ (วงศ์ขวัญ 
, Wongkhwan ) , in the world, is a very rare surname. The cognomen วงศ์ขวัญ is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. Much less frequently, วงศ์ขวัญ is the forename as well as the last name.