Last name Мрдак (Мрдак 
) , all around the world, is a very rare family name. The cognomen Мрдак is habitual in Eastern Europe, particularly Russia, where it is an extremely rare surname, and Ukraine.
| VARIANT | COUNTRY |
|---|---|
| Мрдак | Russia, Ukraine |
| секуле-мушо мрдак ME (b. 1888) |
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милија мрдак Serbian volleyball player, RS (b. 1991) |
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