Surname קורניצקי (Kornecki 
, קורניצקי 
) , across the world, is a rare family name. The last name קורניצקי is characteristic of Poland, where it is quite a rare surname, Uruguay, where it is a rare surname, and Israel. Not in comparison with a country's population, it is the most numerous in Poland, the United States, and Germany. Also, קורניצקי is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kornecki | Germany, Spain, Uruguay, United States, Poland |
| קורניצקי | Israel |