Worldwide, Alzain (الزين 
, Alzain 
) is a common principally boy's, but scarcely female forename. The first name Alzain is characteristic of Sudan, where it is quite a common masculine name, Kuwait, where it is quite a common dominantly girly, but seldom boy's name, and Oman, where it is quite a rare unisex name. Measured by absolute frequency, it most frequently occurs in Sudan, Saudi Arabia, and Egypt. More prevalently, Alzain is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| الزين | Iraq, Egypt, Sudan, Syria, Saudi Arabia |
| Alzain | Iraq, Bahrain, Sudan, Syria, Saudi Arabia |