Cognomen Wuolijoki (Wuolijoki 
) , all over the world, is a very rare last name. The cognomen Wuolijoki is characteristic of Finland, where it is quite a rare surname, and Brazil, where it is an extremely rare surname.
| VARIANT | COUNTRY |
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| Wuolijoki | Brazil, Finland |
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wäinö wuolijoki Finnish politician (1872-1947), FI (b. 1872) |
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hella wuolijoki Estonian-Finnish writer (1886-1954), FI (b. 1886) |
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| juho wuolijoki Finnish politician, FI (b. 1843) |
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| serafina wuolijoki Finnish agriculturalist, FI (b. 1851) |
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jaakko wuolijoki Finnish professor, FI (b. 1914) |
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| sulo wuolijoki Finnish politician, FI (b. 1881) |
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juha wuolijoki Finnish film director, producer and screenwriter, FI (b. 1969) |
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