Family name Buayan (Buayan 
) , worldwide, is a rare cognomen. The cognomen Buayan is characteristic of Philippines, where it is a rare surname, New Zealand, where it is a very rare surname, and Canada, where it is an extremely rare surname. In absolute terms, the name is most common in Philippines, New Zealand, and the United States. Very seldom, Buayan is the forename as well as the last name.
Rio, Saang, Sinon, Susan, Albee, Andoy, Aning, Ariel, Aries, Argie, Abing, Cleah, Betty, Bodin, Kawit, Kinab, Romeo, Remen, Delia, Devis, Daisy, Diana, Sally, Mibpulo, Minda, Milan, Mike, Alex, Alma, Adam, Aiza, Chel, Cita, Bena, Rene, Dilo, Diali, Leah, Jose, Joel, Joey, Jhai, Tony, Nito, Elly, Vina, Marla, Mercy, Lina, and Diwoy