Surname Ubain (Ubain 
) , globally, is a very rare cognomen. The surname Ubain is characteristic of Malaysia, where it is a rare surname, Nigeria, where it is a very rare surname, and India, where it is an extremely rare surname. More frequently, Ubain is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ubain | South Africa, Malaysia, Nigeria, United States, India |