Throughout the world, Muhammad Najib (Muhammad Najib 
) is a rare boy's forename. The forename Muhammad Najib is habitual in South-eastern Asia, particularly Malaysia, where it is a rare masculine name, and Indonesia, where it is a very rare masculine name. Much less frequently, Muhammad Najib is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Muhammad Najib | Philippines, Singapore, Indonesia, Nigeria, Malaysia |