Surname Ритц (Ritz 
, Ritts 
, Ритц 
) , in the world, is a common last name. The family name Ритц is habitual in Western Europe, particularly Switzerland, where it is quite a common surname, Germany, where it is quite a rare surname, and Luxembourg. In absolute terms, the name is most common in the United States, Germany, and France. Much less frequently, Ритц is the forename as well as the last name.