Surname Керчь (Kerch 
, Kertch 
, Керчь 
) , worldwide, is a rare cognomen. The surname Керчь is characteristic of Morocco, where it is a rare surname, Germany, and Algeria, where it is a very rare surname. In absolute terms, it most frequently occurs in the United States, Germany, and Brazil. Very seldom, Керчь is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kerch | Brazil, Algeria, United States, Morocco, Germany |
| Kertch | Brazil, Philippines, Spain, France, United States |
| Керчь | Russia, Ukraine |