Last name قمار (Комар 
, Guemar 
, قمار 
) , all around the world, is a common cognomen. The cognomen قمار is habitual in Eastern Europe, particularly Belarus, where it is quite a common surname, Ukraine, and Russia, where it is quite a rare surname. Much less frequently, قمار is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Комар | Ukraine, Belarus, Azerbaijan, Russia, Kazakhstan |
| Guemar | United Kingdom, Algeria, Morocco, Spain, France |
| قمار | Algeria, Yemen, Morocco, Iraq |