Cognomen Immonen (Immonen 
) , throughout the world, is quite a common surname. The cognomen Immonen is habitual in Northern Europe, particularly Finland, where it is a common surname, Estonia, where it is quite a rare surname, and Sweden. Measured by absolute frequency, this name is the most popular in Finland, the United States, and Sweden.
| VARIANT | COUNTRY |
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| Immonen | Sweden, Finland, United States, Germany, Czechia |
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riitta immonen Finnish fashion artist and entrepreneur, FI (b. 1918) |
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viljo immonen Finnish guitarist, FI (b. 1919) |
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mikko immonen Finnish politician (1933-2017), FI (b. 1933) |
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jyrki immonen Finn basketball player (1945-), FI (b. 1945) |
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mikko immonen Finnish politician, FI (b. 1950) |
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| jacob immonen American politician, US (b. 1908) |
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stuart immonen Canadian comic artist, CA (b. 1960) |
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| viljo immonen Finnish engineer (1915-1970), FI (b. 1915) |
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| pentti immonen Finnish bandy player (1917-1994), FI (b. 1917) |
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mika immonen Finnish pool player, FI (b. 1972) |
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| lauri immonen FI (b. 1913) |
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| keijo immonen Finnish journalist, FI (b. 1929) |
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kathryn immonen Canadian comic book and webcomic writer, CA |
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| björn immonen FI (b. 1920) |
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| lauri immonen Finnish javelin thrower (1932-2009), FI (b. 1932) |
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