Cognomen Rehmetullah (Rehmetullah 
) , throughout the world, is an extremely rare surname. The surname Rehmetullah is characteristic of Northern America, particularly the United States, where it is an extremely rare surname. More prevalently, Rehmetullah is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rehmetullah | United States, United Kingdom, India, Turkey |