Last name يرك (Lerch 
, يرك 
) , all around the world, is a common cognomen. The cognomen يرك is characteristic of Western Europe, particularly Switzerland, where it is quite a common surname, Austria, and Germany. Measured by absolute frequency, this name is the most popular in Germany, the United States, and Switzerland. Much less frequently, يرك is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Lerch | Switzerland, United States, Germany, France, Austria |
| يرك | Yemen |