Surname Mráka (Mráka 
) , in all the world, is a very rare cognomen. The last name Mráka is characteristic of Eastern Europe, particularly Czechia, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Mráka | Czechia |
| otakar mráka CZ (b. 1925) |
|
|
| jiří mráka CZ (b. 1948) |
|