Last name Rajj (Rajj 
, ราชา ) , all over the world, is quite a rare surname. The surname Rajj is characteristic of Western Asia, particularly Qatar, where it is quite a rare surname, Oman, where it is a rare surname, and United Arab Emirates. In absolute terms, it is commonest in Bangladesh, Pakistan, and Saudi Arabia. Also, Rajj is the forename as well as the last name.