Last name Mencák (Mencák 
) , globally, is a very rare family name. The family name Mencák is habitual in Eastern Europe, particularly Czechia, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Mencák | Czechia |
| františek mencák (b. 1888) |
|
|
| břetislav mencák CZ (b. 1903) |
|
|
| augustin mencák CZ (b. 1906) |
|