Last name Rhaj (Rhaj 
) , around the world, is a very rare family name. The last name Rhaj is characteristic of Morocco, where it is a rare surname, Malaysia, where it is a very rare surname, and Nigeria, where it is an extremely rare surname. Measured by absolute frequency, the name is most common in Morocco, India, and Nigeria. Likewise, Rhaj is the forename as well as the last name.