Family name Ahj (อาจ 
, Ahj 
, احج 
) , all over the world, is a rare last name. The last name Ahj is characteristic of Saudi Arabia, where it is a rare surname, Morocco, and Egypt. Not in comparison with a country's population, it most frequently occurs in Nigeria, Egypt, and Saudi Arabia. More frequently, Ahj is the forename as well as the last name.