Cognomen ロッツ (Lotz 
, ロッツ) , all over the world, is a common last name. The surname ロッツ is habitual in Germany, where it is quite a common surname, South Africa, where it is quite a rare surname, and Denmark. In absolute terms, it is commonest in Germany, the United States, and South Africa. Very seldom, ロッツ is the forename as well as the last name.