Cognomen Umbang (Umbang 
) , all over the world, is a rare family name. The surname Umbang is characteristic of South-eastern Asia, particularly Philippines, where it is a rare surname, Malaysia, and Indonesia, where it is a very rare surname. Much less frequently, Umbang is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Umbang | India, Malaysia, Indonesia, Philippines |