Family name رايح (رايح 
, Rajh 
, Reihs 
) , all around the world, is quite a rare surname. The surname رايح is characteristic of Slovenia, where it is quite a common surname, Croatia, where it is quite a rare surname, and Trinidad and Tobago. In absolute terms, it is the most numerous in Slovenia, Germany, and Sri Lanka. Very seldom, رايح is the forename as well as the last name.