Last name Buain (Buain 
) , all around the world, is quite a rare cognomen. The last name Buain is characteristic of Thailand, where it is quite a rare surname, and France, where it is a rare surname. Much less frequently, Buain is the forename as well as the last name.
Kan, Ammara, Charan, Bualoy, Kévin, Patana, Pansak, Pascal, Renaud, Daniel, Damien, Gumpol, Thepin, Narong, Natcha, Nikorn, Elodie, Virote, Inchan, Orapan, Wisarn, Martine, Somjet, Mujalin, Somjai, Marion, Lek, Jit, Arun, Juan, Vena, Sawet, Suree, Arada, Chuen, Clara, Cyril, Benya, Kasem, Kawin, Kitti, Patom, Lydie, Jurai, Tawil, Niyom, Wisan, Sommai, and Saranyu