Family name ขวัญศิริ (ขวัญศิริ 
, Kwansiri , Khwansiri ) , in all the world, is a rare last name. The last name ขวัญศิริ is characteristic of South-eastern Asia, particularly Thailand, where it is quite a rare surname. Also, ขวัญศิริ is the forename as well as the last name.