Cognomen Luczny (Luczny 
) , in the world, is a very rare surname. The cognomen Luczny is characteristic of Germany, where it is a very rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Luczny | United States, Germany |
| alfons luczny German General and Knight's Cross recipients, DE (b. 1894) |
|