Family name Klominsky (Klominsky 
) , in the entire world, is a very rare cognomen. The cognomen Klominsky is characteristic of Czechia, where it is a rare surname, Germany, where it is an extremely rare surname, and Canada. In absolute terms, it is the most numerous in Czechia, Germany, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Klominsky | Czechia, United States, Germany, Canada |