Cognomen Khaleelullah (Khaleelullah 
) , in all the world, is a rare surname. The cognomen Khaleelullah is characteristic of United Arab Emirates, where it is a rare surname, Saudi Arabia, and India, where it is a very rare surname. Likewise, Khaleelullah is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Khaleelullah | Saudi Arabia, United Arab Emirates, United States, India, Pakistan |