Cognomen לאנץ (Lanz 
, לאנץ 
) , worldwide, is a common family name. The family name לאנץ is habitual in Switzerland, where it is quite a common surname, Austria, where it is quite a rare surname, and Venezuela. Not in comparison with a country's population, it most frequently occurs in Switzerland, Germany, and the United States. Much less frequently, לאנץ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Lanz | Germany, Venezuela, United States, Mexico, Switzerland |
| לאנץ | Israel |