Last name Kocijančič (Kocijančič 
) , in all the world, is a rare family name. The family name Kocijančič is characteristic of Southern Europe, particularly Slovenia, where it is quite a rare surname.
| VARIANT | COUNTRY |
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| Kocijančič | Slovenia |
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josip kocijančič Slovene musician (1849-1878), SI (b. 1849) |
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| andrej kocijančič Austria-Hungary politician (b. 1832) |
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| ivan kocijančič SI (b. 1826) |
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boris kocijančič Slovene politician, SI (b. 1909) |
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viktor kocijančič SI (b. 1901) |
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janez kocijančič Slovene politician (1941-2020), SI (b. 1941) |
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andreja kocijančič Slovene physician, SI (b. 1942) |
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| igor kocijančič SI (b. 1956) |
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| igor kocijančič SI (b. 1960) |
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| ksenija kocijančič SI (b. 1968) |
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| slavko kocijančič SI |
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| stiven kocijančič SI |
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| milena kocijančič SI |
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| mario kocijančič SI |
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| ana sekolec kocijančič SI |
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