Globally, Ubain (Ubain 
) is a rare dominantly female, but seldom male forename. The given name Ubain is characteristic of Nigeria, where it is a very rare epicene name, and India, where it is a very rare female name. Very seldom, Ubain is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Ubain | South Africa, Malaysia, Nigeria, United States, India |