Cognomen Khwanmuang (Khwanmuang 
) , in all the world, is a rare surname. The surname Khwanmuang is characteristic of South-eastern Asia, particularly Thailand, where it is quite a rare surname. Very seldom, Khwanmuang is the forename as well as the last name.
Nipa, Chanwit, Charoen, Kananan, Kantima, Keerati, Pattama, Panitta, Pannipa, Pramote, Praphas, Pongpol, Piyanan, Phaisal, Dararat, Jintana, Tipanan, Natirat, Nantida, Nittaya, Netirat, Wisarat, Akkarin, Areewan, Sudarat, Surawit, Suwit, Sopon, Arnon, Chara, Pirul, Thani, Wasan, Yindi, Supong, Sutisa, Sasikarn, Sompot, Arunee, Adjima, Komsan, Janwit, Tatiya, Vasana, Wanida, Usanee, Mullika, Sirarat, Ananya, and Siripong