Family name Thongbua (Thongbua 
) , in the world, is a rare last name. The last name Thongbua is characteristic of Thailand, where it is a rare surname, and the United States, where it is an extremely rare surname.
Ban, Piyawut, Puratee, Ratawan, Jirawan, Tathata, Taksichot, Thitima, Tewarit, Nattida, Onanong, Monrudee, Sasitorn, Supaporn, Suppawat, Angkhana, Benjawan, Kanchana, Kanyapat, Kesonthip, Poomiwat, Phoniakrit, Pongkun, Promkun, Premjit, Pakanun, Aosod, Pajja, Pimpa, Vasna, Winai, Wisit, Manoch, Amporn, Kitima, Palita, Phetthae, Prajak, Wanita, Wanpen, Suparat, Supanit, Somchai, Kattika, Kanlaya, Kronpiwat, Patigan, Patsuda, Jamreing, and Purathee