Last name Kodrnja (Kodrnja 
) , globally, is a rare cognomen. The cognomen Kodrnja is characteristic of Croatia, where it is quite a rare surname, Austria, where it is a rare surname, and Germany, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kodrnja | Austria, Germany, Canada, Croatia |
| milan kodrnja (b. 1893) |
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| slavko kodrnja Yugoslavian footballer (1911-1970), HR (b. 1911) |
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| jasenka kodrnja Croatian sociologist (1946-2010), HR (b. 1946) |
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| marc kodrnja Ph.D. 1997 |
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Ana, Patrik, Robert, Danica, Dajana, Jurica, Marijan, Milivoj, Mirjana, Stjepan, Antonio, Arijana, Ksenija, Željko, Berislav, Božidar, Kristina, Dubravka, Ljiljana, Tomislav, Terezija, Vladimir, Slavko, Snježana, Mladen, Marija, Ari, Tin, Noa, Iva, Marc, Maja, Alex, Anja, Leon, Tina, Irma, Ivan, Karlo, Denis, Dario, Davor, Josip, Edita, Frano, Ivana, Marina, Melita, and Cornelius