Last name Korniat (Korniat 
) , globally, is a very rare surname. The surname Korniat is characteristic of Germany, where it is a very rare surname, France, and Argentina. In absolute terms, it is the most numerous in Germany, the United States, and France. Also, Korniat is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Korniat | Poland, France, Italy, Germany, United States |