Globally, Khalil-Ullah (Khalil-Ullah 
) is an extremely rare boy's given name. More prevalently, Khalil-Ullah is the last name as well as the forename. Parts of the name also exists independently as a first name Khalil, and a last name Ullah.
| VARIANT | COUNTRY |
|---|---|
| Khalil-Ullah | United States, United Kingdom |