Cognomen Шлаге (Schlage 
, Шлаге 
) , in the entire world, is quite a rare last name. The last name Шлаге is characteristic of Germany, where it is quite a rare surname, Denmark, where it is a rare surname, and Poland. Not in comparison with a country's population, it is the most numerous in Germany, the United States, and Poland. Very seldom, Шлаге is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Schlage | Germany, Spain, United States, Poland, Denmark |
| Шлаге | Russia |