Cognomen Boonho (Boonho 
) , in all the world, is a very rare surname. The last name Boonho is characteristic of Thailand, where it is a rare surname, Malaysia, where it is an extremely rare surname, and Brazil. Very seldom, Boonho is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Boonho | Malaysia, Brazil, Thailand |