Last name Khampuan (Khampuan 
) , all over the world, is a rare family name. The family name Khampuan is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname, and Malaysia, where it is an extremely rare surname. Much less frequently, Khampuan is the forename as well as the last name.
Ura, Natchaphon, Threerawat, Kritthaporn, Chantharak, Angsumalin, Theerawat, Benchamat, Chiraphat, Chadaphorn, Sureeporn, Wantanee, Nonpawit, Nattapon, Samanmit, Warunya, Oraphin, Vittaya, Jukkrit, Jansuai, Paweena, Ketsara, Sawarot, Paisan, Aupong, Sakhon, Wisit, Keson, Ampan, Suwee, Sirimongkol, and Rattanaporn