Family name Łużny (Łużny 
) , across the world, is a very rare surname. The cognomen Łużny is habitual in Eastern Europe, particularly Poland, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Łużny | Poland |
| ryszard łużny PL (b. 1927) |
|
|
| wojciech łużny Polish physicist, PL (b. 1959) |
|
|
| mateusz łużny researcher |
|