Cognomen Хаар (Haar 
, Khaar 
, Хаар 
) , in all the world, is a common surname. The last name Хаар is habitual in Netherlands, where it is quite a common surname, Botswana, where it is quite a rare surname, and Estonia. Measured by absolute frequency, it is the most numerous in Netherlands, Germany, and the United States. Much less frequently, Хаар is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Haar | Germany, Netherlands, Denmark, United States, France |
| Khaar | Philippines, India, Malaysia, Pakistan |
| Хаар | Kazakhstan, Ukraine, Russia |
| ян хаар Polish painter (1791-1840), UA (b. 1791) |
|