Last name Posavac (Posavac 
) , throughout the world, is a rare cognomen. The cognomen Posavac is characteristic of Croatia, where it is quite a common surname, Austria, where it is a rare surname, and Australia. Not in comparison with a country's population, this name is the most popular in Croatia, Australia, and Germany.
| VARIANT | COUNTRY |
|---|---|
| Posavac | Germany, Australia, United States, Croatia, Peru |
| zlatko posavac Croatian philosopher and aesthetician, HR (b. 1931) |
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| emil. j. posavac (b. 1939) |
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| steven s. posavac business management researcher |
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| patrik posavac Slovenian footballer, SI (b. 1995) |
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Mr, Dora, Lana, Leon, Luka, Jose, Jodi, Jozo, Tara, Nada, Nina, Vera, Ines, Ivan, Igor, Maria, Marin, Mario, Marko, Marge, Matej, Matea, Dean, Milan, Ruth, Kaja, Ms, Mia, Ana, Ann, Amy, Kim, Noa, Eva, Iva, Mara, Mato, Maja, Mira, Miro, Mijo, Sara, Alen, Ally, Anaa, Adam, Kata, Pavo, and Milka