Last name Omboon (Omboon 
) , around the world, is a very rare surname. The cognomen Omboon is habitual in Philippines, where it is a very rare surname, and China, where it is an extremely rare surname. Also, Omboon is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Omboon | China, Philippines, Thailand |