Cognomen Buanuan (Buanuan 
) , all around the world, is a very rare surname. The surname Buanuan is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Much less frequently, Buanuan is the forename as well as the last name.
Suriya, Soraya, Adisak, Tirawat, Kanokwan, Phikritsaphong, Nattasit, Worakarn, Tinnakorn, Kunlayanee, and Atcharaporn