Surname 鲁泽 (鲁泽 
, Ruser 
) , all over the world, is quite a rare cognomen. The last name 鲁泽 is habitual in Paraguay, where it is quite a rare surname, Germany, where it is a rare surname, and Switzerland. Measured by absolute frequency, the name is most common in Germany, the United States, and Paraguay. Very seldom, 鲁泽 is the forename as well as the last name.