Family name Ooi Boon (Ooi Boon 
) , in all the world, is an extremely rare last name. The surname Ooi Boon is habitual in South-eastern Asia, particularly Malaysia, where it is an extremely rare surname. More prevalently, Ooi Boon is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ooi Boon | Malaysia |