Last name Alharth (الحارث 
, Alharth 
) , worldwide, is quite a common surname. The surname Alharth is habitual in Libya, where it is quite a common surname, Syria, where it is quite a rare surname, and Sudan. Not in comparison with a country's population, it most frequently occurs in Sudan, Syria, and Saudi Arabia. More frequently, Alharth is the forename as well as the last name.