Cognomen Harûn (Гарун 
, Harûn) , in the world, is a rare surname. The surname Harûn is habitual in Armenia, where it is quite a rare surname, Ukraine, where it is a rare surname, and Belarus, where it is a very rare surname. In absolute terms, it is commonest in Armenia, Ukraine, and Russia. Also, Harûn is the forename as well as the last name.