Cognomen Khongkai (Khongkai 
) , globally, is a rare family name. The last name Khongkai is characteristic of Thailand, where it is a very rare surname, India, and Malaysia, where it is an extremely rare surname. Very seldom, Khongkai is the forename as well as the last name.
Chaiwat, Jiraphat, Thippawan, Miss Narin, and Comingstone