Cognomen Uzen (Utz 
, Узен 
, Uzen 
) , throughout the world, is a common last name. The last name Uzen is habitual in Germany, where it is quite a rare surname, Switzerland, and Kyrgyzstan. Measured by absolute frequency, this name is the most popular in Germany, the United States, and Argentina. Very seldom, Uzen is the forename as well as the last name.