Surname Okorn (Okorn 
) , around the world, is quite a rare cognomen. The family name Okorn is characteristic of Slovenia, where it is quite a common surname, Sierra Leone, where it is quite a rare surname, and Nigeria, where it is a rare surname. Not in comparison with a country's population, this name is the most popular in Nigeria, Slovenia, and the United States. Likewise, Okorn is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Okorn | Germany, Nigeria, Sierra Leone, Slovenia, United States |
| jožef okorn Slovene beekeper, SI (b. 1897) |
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| janez okorn (b. 1901) |
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gašper okorn Slovenian basketball coach, SI (b. 1973) |
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mitja okorn Slovene film director and screenwriter, SI (b. 1981) |
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| darja okorn SI (b. 1944) |
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| marko okorn SI (b. 1951) |
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| žiga okorn SI (b. 1967) |
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| ivan okorn SI |
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| rok okorn SI (b. 1984) |
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