Surname الرباب (الرباب 
) , across the world, is quite a common family name. The cognomen الرباب is habitual in Sudan, where it is quite a common surname, Iraq, where it is a rare surname, and Saudi Arabia. Not in comparison with a country's population, it is the most numerous in Sudan, Egypt, and Iraq. Much less frequently, الرباب is the forename as well as the last name.