Cognomen Vesenjak (Vesenjak 
) , all over the world, is a rare last name. The surname Vesenjak is habitual in Slovenia, where it is quite a rare surname, Croatia, and Germany, where it is a very rare surname.
| VARIANT | COUNTRY |
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| Vesenjak | Croatia, Germany, Slovenia |
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ivan vesenjak politician (1880-1938), SI (b. 1880) |
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alojz vesenjak Slovene politician, SI (b. 1941) |
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slavko vesenjak Slovenian lawyer (born 1981), SI (b. 1981) |
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| peter vesenjak Slovenian politician, SI (b. 1966) |
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| matej vesenjak researcher |
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| maša vesenjak Slovene tennis player, SI (b. 1982) |
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| urška vesenjak Slovene tennis player (1982-), SI (b. 1982) |
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| tadej vesenjak SI (b. 1978) |
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| matej vesenjak SI |
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| anton vesenjak SI |
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