Cognomen Меркл (Merkle 
, Меркл 
) , in the world, is a common last name. The cognomen Меркл is characteristic of Western Europe, particularly Germany, where it is quite a rare surname, Switzerland, and Austria. In absolute terms, it is the most numerous in Germany, the United States, and Switzerland.
| VARIANT | COUNTRY |
|---|---|
| Merkle | Germany, Austria, Switzerland, United States, Brazil |
| Меркл | Ukraine |