Cognomen Rdad (رداد 
, Rdad 
) , around the world, is quite a common surname. The family name Rdad is habitual in Western Asia, particularly Palestinian Territory, where it is quite a common surname, Jordan, where it is quite a rare surname, and Saudi Arabia. In absolute terms, it is the most numerous in Palestinian Territory, Egypt, and Jordan. Likewise, Rdad is the forename as well as the last name.