Cognomen Nantavong (Nantavong 
) , in the entire world, is a rare family name. The last name Nantavong is characteristic of South-eastern Asia, particularly Laos, where it is quite a rare surname, and Thailand, where it is a very rare surname.
Gon, Ubol, Veokham, Bosaya, Darisa, Duangkamon, and Phattaraphon