Family name Kašník (Kašník 
) , in all the world, is a very rare last name. The cognomen Kašník is characteristic of Eastern Europe, particularly Czechia, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kašník | Czechia |
| františek kašník CZ (b. 1931) |
|
|
| pavel kašník CZ (b. 1964) |
|