Family name Poijärvi (Poijärvi 
) , around the world, is a very rare last name. The last name Poijärvi is characteristic of Northern Europe, particularly Finland, where it is a rare surname.
| VARIANT | COUNTRY |
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| Poijärvi | Finland |
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liisu poijärvi Finnish rebel who used the nickname Old Nun -1950, FI (b. 1886) |
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arvi poijärvi Finnish encyclopedist, civil servant and choir director, FI (b. 1900) |
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| ilmari poijärvi Finnish researcher, FI (b. 1892) |
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| heikki poijärvi Finnish professor, FI (b. 1930) |
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| eevamaija poijärvi Finnish poet, FI (b. 1932) |
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annika poijärvi Finnish actress, FI (b. 1985) |
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| sari poijärvi Finnish photographer, FI (b. 1955) |
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| ninni poijärvi Finnish singer, songwriter and musician, FI (b. 1974) |
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| matti poijärvi Finnish journalist, FI |
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