Last name Bänz (Bänz 
, Baenz 
) , all around the world, is a rare surname. The cognomen Bänz is habitual in Germany, where it is a very rare surname, Argentina, and Nicaragua. Measured by absolute frequency, it is commonest in Germany, Argentina, and Mexico. Very seldom, Bänz is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Bänz | Chile, United States, Switzerland |
| Baenz | Mexico, United States, Argentina, Nicaragua, Germany |