Last name Gregorin (Gregorin 
) , all over the world, is a rare surname. The last name Gregorin is characteristic of Slovenia, where it is quite a common surname, Croatia, where it is quite a rare surname, and Switzerland, where it is a rare surname. Not in comparison with a country's population, it most frequently occurs in Slovenia, Italy, and Brazil. Very seldom, Gregorin is the forename as well as the last name.
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| Gregorin | Brazil, Italy, United States, Slovenia, Croatia |
| anton gregorin (b. 1634) |
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gustav gregorin Slovenian politician (1860-1942), SI (b. 1860) |
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edvard gregorin (b. 1897) |
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miro gregorin SI (b. 1913) |
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| janez gregorin Slovene journalist, climber and writer, SI (b. 1911) |
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| joža gregorin actor (1913-1984) (b. 1913) |
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| ugo gregorin Italian association football player (1925-2010), IT (b. 1925) |
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teja gregorin Slovanian biathlete, SI (b. 1980) |
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| rok gregorin SI (b. 1977) |
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| renato gregorin |
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| cristina gregorin DE |
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| romana petkovšek gregorin SI |
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| žiga gregorin SI |
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Mr, Ivan, Olga, Zeno, Maria, Mario, Marco, Marko, Mojca, Sarah, Simon, Sonja, Steve, Steno, Andre, Aimee, Carla, Carli, Celia, Brian, Bruno, Bruna, Eric, Blaž, Nejc, Nino, Ms, Ana, Jan, Tia, Eva, Adam, Brad, Raul, Rose, Ryan, Dave, Dale, Lara, Lisa, Luiz, Jose, Jure, Jill, Taya, Teja, Nair, Neal, and Kathy