Last name Usaini (Usaini 
) , all around the world, is a common family name. The last name Usaini is characteristic of Nigeria, where it is quite a common surname, Libya, where it is a rare surname, and Malaysia. Not in comparison with a country's population, it is commonest in Nigeria, Malaysia, and India. Also, Usaini is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Usaini | Malaysia, Saudi Arabia, India, Nigeria, Indonesia |