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Family name Rís (Ris
, Rys
, Riso
) , in all the world, is a common last name. The surname Rís is habitual in Czechia, where it is quite a common surname, Switzerland, where it is quite a rare surname, and Paraguay. In absolute terms, it most frequently occurs in Indonesia, Italy, and Poland. Likewise, Rís is the forename as well as the last name.