Cognomen Kemppainen (Kemppainen 
, Кемппайнен 
) , in the world, is quite a common family name. The last name Kemppainen is characteristic of Northern Europe, particularly Finland, where it is a common surname, Estonia, where it is quite a rare surname, and Sweden. In absolute terms, the name is most common in Finland, the United States, and Sweden.
| VARIANT | COUNTRY |
|---|---|
| Kemppainen | Sweden, Estonia, Finland, United States, Canada |
| Кемппайнен | Russia |
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jaakko kemppainen Finnish lawyer and member of parliament (1904-1988), FI (b. 1904) |
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| yrjö kemppainen Finnish journalist, FI (b. 1881) |
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| eino kemppainen Finnish poet, FI (b. 1883) |
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| juho kemppainen Finnish journalist, FI (b. 1884) |
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| väinö kemppainen Finnish actor and theater manager, FI (b. 1889) |
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| aarno kemppainen FI (b. 1886) |
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| efraim kemppainen FI (b. 1888) |
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joonas kemppainen Finnish ice hockey player, FI (b. 1988) |
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| heikki kemppainen Finnish politician, FI (b. 1944) |
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| pentti kemppainen Finnish journalist, FI (b. 1945) |
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| kirsti kemppainen Finnish actor (1946-1997), FI (b. 1946) |
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| arvo kemppainen Finnish politician, FI (b. 1946) |
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| hannu kemppainen Finnish politician, FI (b. 1951) |
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| marja-leena kemppainen Finnish politician, FI (b. 1956) |
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| tero kemppainen Finnish association football player and futsal player, FI (b. 1968) |
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