Cognomen Ραούλ (Rauls 
, Ραούλ, Radulphus) , all around the world, is quite a rare family name. The family name Ραούλ is characteristic of Germany, where it is a rare surname, the United States, and Netherlands, where it is a very rare surname. In absolute terms, it is the most numerous in the United States, Germany, and Canada. Much less frequently, Ραούλ is the forename as well as the last name.