Family name Muaini (Muaini 
) , globally, is a rare cognomen. The family name Muaini is habitual in Western Asia, particularly United Arab Emirates, where it is quite a rare surname, Oman, and Saudi Arabia, where it is a rare surname. Not in comparison with a country's population, it is the most numerous in United Arab Emirates, Indonesia, and Oman. Much less frequently, Muaini is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Muaini | Saudi Arabia, Oman, Malaysia, United Arab Emirates, Indonesia |