Last name Klucha (Klucha 
) , in all the world, is a rare family name. The cognomen Klucha is habitual in Slovakia, where it is quite a rare surname, Poland, where it is a rare surname, and Canada, where it is an extremely rare surname. Measured by absolute frequency, this name is the most popular in Poland, Slovakia, and the United States. More prevalently, Klucha is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Klucha | Slovakia, United States, Germany, Poland, France |