Family name Melnjak (Melnjak 
) , across the world, is a rare surname. The family name Melnjak is habitual in Croatia, where it is quite a rare surname, Austria, where it is a rare surname, and Australia, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Melnjak | Australia, Austria, Croatia, Germany |
| nikola melnjak Croatian footballer, HR (b. 1981) |
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| dario melnjak Croatian footballer, HR (b. 1992) |
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Mr, Vanja, Filip, Ivana, Ivica, Zoran, Marica, Marija, Matija, Mateja, Monika, Melita, Mihael, Mladen, Sascha, Suzana, Slavko, Branka, Patrik, Robert, Lorena, Lucija, Nenad, Juraj, Josip, Damir, Ana, Leo, Tea, Iva, Maja, Alen, Anja, Kate, Luke, Joel, Jelena, Nino, Mario, Mateo, Matej, Matea, Sanja, Antun, Petar, Ruža, Dario, Darko, Ivan, and Jurica