Family name Ubayathullah (Ubayathullah 
) , in all the world, is a rare surname. The family name Ubayathullah is habitual in Brunei, where it is quite a common surname, Malaysia, where it is a very rare surname, and India, where it is an extremely rare surname. Much less frequently, Ubayathullah is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ubayathullah | India, Malaysia, Brunei |