Surname Ройз (Roiz 
, Royz 
, Rojz 
) , all over the world, is quite a rare cognomen. The family name Ройз is habitual in Nicaragua, where it is quite a rare surname, Estonia, where it is a rare surname, and Mexico. In absolute terms, it is the most numerous in Mexico, Brazil, and Indonesia. Much less frequently, Ройз is the forename as well as the last name.