Surname Radalj (Radalj 
) , in all the world, is a rare last name. The family name Radalj is characteristic of Croatia, where it is quite a common surname, Slovenia, where it is quite a rare surname, and Australia, where it is a rare surname. Not in comparison with a country's population, it is the most numerous in Croatia, Australia, and Argentina.
| VARIANT | COUNTRY |
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| Radalj | Australia, Argentina, Chile, Croatia, Slovenia |
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roddy radalj Australian musician, AU (b. 1961) |
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| miro radalj HR |
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| zoran radalj SI |
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Mr, Juan, Jure, Toma, Tony, Toni, Nina, Nino, Neda, Elio, Elly, Erin, Vera, Ivan, Maria, Marin, Mario, Marta, Marco, Marko, Mateo, Matej, John, Jose, Luka, Luis, Sue, Ana, Kim, Teo, Tea, Eva, Iva, Ivo, Marc, Mark, Matea, Mara, Mate, Maja, Mila, Miro, Mijo, Ante, Anna, Paul, Rosa, Roko, Matt, and Milka