Surname Khumar (Khumar 
, Хумар 
) , in all the world, is quite a rare cognomen. The cognomen Khumar is characteristic of Western Asia, particularly Qatar, where it is quite a rare surname, Saudi Arabia, and Oman. Measured by absolute frequency, it is the most numerous in India, Saudi Arabia, and Indonesia. Also, Khumar is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Khumar | Azerbaijan, Saudi Arabia, Pakistan, India, Indonesia |
| Хумар | Kyrgyzstan, Kazakhstan, Armenia, Russia, Ukraine |