Family name Kosnarová (Kosnarová 
) , around the world, is a very rare cognomen. The family name Kosnarová is characteristic of Eastern Europe, particularly Czechia, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kosnarová | Czechia |
| marja kosnarová CZ (b. 1899) |
|
|
| kateřina kosnarová (b. 1980) |
|