Family name 伦兹 (Renz 
, Lenz , 伦兹 
) , in the world, is a common last name. The cognomen 伦兹 is habitual in Western Europe, particularly Germany, where it is quite a common surname, Austria, and Switzerland (explore the name in all countries). In absolute terms, it most frequently occurs in Germany, the United States, and Brazil. Very seldom, 伦兹 is the forename as well as the last name.