Last name Kemppinen (Kemppinen 
) , worldwide, is quite a rare family name. The cognomen Kemppinen is habitual in Northern Europe, particularly Finland, where it is quite a common surname, Estonia, where it is a rare surname, and Latvia. Not in comparison with a country's population, it most frequently occurs in Finland, Sweden, and Slovakia.
| VARIANT | COUNTRY |
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| Kemppinen | Sweden, Finland, United States, Poland, Slovakia |
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jukka kemppinen Finnish professor, jurist, writer, poet and translator, FI (b. 1944) |
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| iivar kemppinen FI (b. 1908) |
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| kullervo kemppinen Finnish lawyer and writer (1921–2012), FI (b. 1921) |
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riku kemppinen Finnish actor, FI (b. 1972) |
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lotta kemppinen Finnish sprinter, FI (b. 1998) |
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| jukka kemppinen finnish athlete (b. 1956) |
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| reijo kemppinen Finnish journalist, FI (b. 1957) |
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| jani kemppinen Finnish journalist, FI (b. 1974) |
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| osku kemppinen researcher |
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| krista m s kemppinen researcher |
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| julia kemppinen researcher |
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| anu kemppinen researcher |
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| antti kemppinen researcher (ORCID 0000-0002-1186-5566) |
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| jonne kemppinen Finnish footballer, FI (b. 1981) |
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| juha kemppinen FI |
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Mr, Riku, Lisa, Jani, Jari, Juha, Juho, Taru, Tomi, Toni, Teea, Timo, Niko, Nina, Eija, Heli, Vesa, Olli, Maria, Marko, Marja, Merja, Rene, Pasi, Kati, Kari, Ms, Anu, Ari, Pia, Tia, Mari, Mira, Mika, Sari, Sami, Mirja, Satu, Sini, Simo, Suvi, Anna, Anne, Anni, Arto, Aila, Auvo, Atte, Saku, and Minna