Cognomen Buanual (Buanual 
) , in all the world, is a very rare family name. The surname Buanual is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
Aree, Poom, Annop, Napat, Anurak, Phairot, Wannita, Chittphong, Thatasanee, Orrathai, Thatsanee, Suthasinee, Chittipong, Warunchanok, and Pathtarapong