Surname Korosec (Korosec 
) , around the world, is quite a rare family name. The cognomen Korosec is characteristic of Slovenia, where it is quite a common surname, Reunion, and Serbia, where it is quite a rare surname. Measured by absolute frequency, the name is most common in Slovenia, the United States, and Serbia. Much less frequently, Korosec is the forename as well as the last name.
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| Korosec | Austria, Germany, United States, Serbia, Slovenia |
| mira korosec (b. 1882) |
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| ingrid korosec Austrian politician, AT (b. 1940) |
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rok korosec Slovene cyclist, SI (b. 1993) |
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| marjeta delcourte-korosec SI (b. 1944) |
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| peter korosec researcher, SI (b. 1970) |
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| katrin korosec DE (b. 1962) |
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| lauren korosec researcher |
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| kirsten korosec Journalist |
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| mira korosec |
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| kirsten korosec |
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