Cognomen Bualao (Bualao 
) , in all the world, is a very rare surname. The cognomen Bualao is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname, and Philippines. Very seldom, Bualao is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Bualao | Philippines, Thailand |