Family name Bičák (Bičák 
) , throughout the world, is a very rare cognomen. The family name Bičák is habitual in Eastern Europe, particularly Czechia, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Bičák | Czechia |
|
jiří bičák Czech physicist and scientist, CZ (b. 1942) |
|
| stanislav bičák Czech swimmer, CZ (b. 1905) |
|