Family name Gregorc (Gregorc 
) , across the world, is a rare surname. The surname Gregorc is characteristic of Slovenia, where it is quite a common surname, Austria, where it is a rare surname, and Sweden. Measured by absolute frequency, this name is the most popular in Slovenia, the United States, and Austria.
| VARIANT | COUNTRY |
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| Gregorc | Austria, France, Sweden, United States, Slovenia |
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janko gregorc composer and clarinetist (1905-1989), SI (b. 1905) |
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janez gregorc Slovene composer, SI (b. 1934) |
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| dragotin gregorc SI (b. 1883) |
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| jurij gregorc Slovene composer (1916-1986), SI (b. 1916) |
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| rajko gregorc SI (b. 1910) |
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| jože gregorc SI (b. 1914) |
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| marija gregorc SI (b. 1922) |
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luka gregorc Slovenian tennis player, SI (b. 1984) |
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blaz gregorc Slovenian ice hockey player, SI (b. 1990) |
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| jožef gregorc SI (b. 1932) |
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| pavle gregorc SI (b. 1942) |
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| anton gregorc SI (b. 1944) |
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| miha gregorc Slovenian tennis player (b. 1979) |
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| vanja gregorc Slovenian architect born in Canada, 1969, SI |
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| anthony gregorc American psychologist, US |
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Mr, Milan, Mitja, Sanja, Simon, Scott, Aleã, Blaž, Kevin, Petra, Peter, Debra, David, Linda, Janez, Janko, Jacob, Jasna, Jenna, Tracy, Nives, Erika, Mojca, Matej, Marko, Zala, Ms, Gal, Jan, Joe, Eva, Mark, Maja, Meta, Miha, Ales, Martin, Cara, Paul, Gaja, John, Judy, Tony, Tesa, Tina, Nada, Vida, Igor, Clay, and Mateja