Last name Valný (Valný 
) , worldwide, is a very rare surname. The surname Valný is habitual in Eastern Europe, particularly Czechia, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Valný | Czechia |
| karel valný (b. 1942) |
|
|
| jan valný CZ (b. 1958) |
|
|
| michal valný CZ (b. 1974) |
|