Family name Ubak (Ubak 
) , across the world, is a rare surname. The last name Ubak is characteristic of Netherlands, where it is a rare surname, Nigeria, and Malaysia. In absolute terms, it is the most numerous in Nigeria, Indonesia, and Netherlands. Likewise, Ubak is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ubak | Netherlands, United States, Nigeria, Malaysia, Indonesia |