Cognomen Zulqarnain (Zulqarnain 
) , in all the world, is a common family name. The family name Zulqarnain is characteristic of Pakistan, where it is quite a rare surname, United Arab Emirates, and Saudi Arabia, where it is a rare surname. Measured by absolute frequency, it is the most numerous in Pakistan, Indonesia, and Saudi Arabia. Likewise, Zulqarnain is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Zulqarnain | Indonesia, Saudi Arabia, United Arab Emirates, Malaysia, Pakistan |
| mirza zulqarnain official and poet in the Mughal court (b. 1594) |
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| raja zulqarnain Pakistani politician, IN (b. 1954) |
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