Family name Alzaini (Alzaini 
) , globally, is a rare cognomen. The surname Alzaini is characteristic of Western Asia, particularly Bahrain, where it is a rare surname, Qatar, and Saudi Arabia. In absolute terms, it is the most numerous in Indonesia, Egypt, and Saudi Arabia. Very seldom, Alzaini is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Alzaini | Indonesia, Qatar, Saudi Arabia, Egypt, Iraq |