Family name Lambun (Lambun 
) , globally, is a very rare surname. The surname Lambun is characteristic of Malaysia, where it is a rare surname, Indonesia, where it is a very rare surname, and Brazil, where it is an extremely rare surname. Likewise, Lambun is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Lambun | Brazil, India, Malaysia, Indonesia |