Last name رتاج (رتاج 
) , all over the world, is a common cognomen. The last name رتاج is characteristic of Sudan, where it is quite a common surname, Algeria, where it is quite a rare surname, and Iraq. Not in comparison with a country's population, it is commonest in Northern Africa, particularly Sudan, Algeria, and Egypt. Likewise, رتاج is the forename as well as the last name.