Family name الارجوان (الارجوان 
) , in the world, is quite a common cognomen. The last name الارجوان is characteristic of Iraq, where it is quite a common surname, Libya, and Syria, where it is quite a rare surname. Measured by absolute frequency, it is commonest in Iraq, Libya, and Sudan. Very seldom, الارجوان is the forename as well as the last name.