Family name Gmaz (Gmaz 
) , all around the world, is a rare last name. The cognomen Gmaz is characteristic of Croatia, where it is quite a rare surname, Egypt, where it is a very rare surname, and Australia. In absolute terms, it is the most numerous in Croatia, Egypt, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Gmaz | Egypt, Australia, Croatia, United States, Canada |
| tamara crnko gmaz Croatian female linguist, HR (b. 1971) |
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| herbert gmaz Yugoslav footballer |
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| jimmie m gmaz researcher (ORCID 0000-0001-6883-5811) |
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Mr, Lovro, Taner, Vinko, Frank, Unchu, Marica, Marija, Martin, Monica, Jackie, Joseph, Johnny, Taylor, Enrica, Helena, Vatroslav, Vlasta, Franjo, Zlatko, Martina, Michael, David, Darko, Dario, Kerri, Meg, Aly, Ana, Zac, Mary, Anne, Bill, Kaja, Lisa, Luka, Shirley, John, Igor, Mario, Marta, Molly, Megan, Sanja, Sally, Saša, Ahmed, Karlo, Ivan, and Stjepan