Family name Хамар (Khamar 
, Hamar 
, Хамар 
) , globally, is a common cognomen. The last name Хамар is characteristic of Hungary, where it is quite a common surname, Slovakia, and Bahrain, where it is quite a rare surname. Not in comparison with a country's population, it is commonest in India, Hungary, and the United States. Also, Хамар is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Khamar | Morocco, United States, United Arab Emirates, India, Algeria |
| Hamar | Hungary, Morocco, United States, Slovakia, India |
| Хамар | Kyrgyzstan, Kazakhstan, Ukraine, Russia |
| Xamar | Somalia, Saudi Arabia, United States, Philippines, India |