Family name Меркле (Merkle 
, Меркле 
) , throughout the world, is a common cognomen. The surname Меркле is characteristic of Western Europe, particularly Germany, where it is quite a rare surname, Switzerland, and Austria. In absolute terms, it is commonest in Germany, the United States, and Switzerland.
| VARIANT | COUNTRY |
|---|---|
| Merkle | Brazil, Switzerland, United States, Germany, Austria |
| Меркле | Russia, Kazakhstan |