Family name Ratkaj (Ratkaj 
) , globally, is a rare last name. The family name Ratkaj is characteristic of Croatia, where it is quite a rare surname, Canada, where it is a very rare surname, and Australia. Not in comparison with a country's population, it is commonest in Croatia, Canada, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Ratkaj | Australia, Croatia, Canada, United States |
|
ivan ratkaj Croatian Jesuit missionary and explorer (1647-1683), SI (b. 1647) |
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| juraj ratkaj Croatian historian (1612-1666), HR (b. 1612) |
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| ivana ratkaj researcher |
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Mr, Ivana, Marija, Matija, Monica, Barica, Katica, Romana, Robert, Renata, Vesna, Daniel, Lauren, Jelena, Jurica, Tomica, Franjo, Frenky, Mirjana, Michael, Stjepan, Danica, Tonka, Juraj, Josip, Ana, Mira, Dino, Leon, Lisa, Luka, Jane, Tina, Emir, Ivan, Igor, Mario, Marko, Borna, Bruno, Petra, Denis, Dejan, Darko, David, Damir, Slavica, and Paulina