Family name Клух (Kluh 
, Клух 
, Klux 
) , globally, is a rare cognomen. The family name Клух is characteristic of Germany, where it is a rare surname, Czechia, and Russia, where it is a very rare surname. Not in comparison with a country's population, the name is most common in Germany, the United States, and Russia. Very seldom, Клух is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kluh | Germany, France, Spain, Czechia, United States |
| Клух | Russia, Ukraine |
| Klux | Brazil, United States, Israel |
| Klukh | United States |