Cognomen Virolainen (Virolainen 
, Виролайнен 
, Виролаинен ) , worldwide, is quite a rare family name. The last name Virolainen is habitual in Northern Europe, particularly Finland, where it is quite a common surname, Estonia, and Sweden, where it is a rare surname. Not in comparison with a country's population, this name is the most popular in Finland, Russia, and Estonia.
| VARIANT | COUNTRY |
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| Virolainen | Russia, Sweden, Finland, Germany, Estonia |
| Виролайнен | Ukraine, Russia, Kazakhstan, Kyrgyzstan |
| Виролаинен | Russia |
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johannes virolainen Prime Minister of Finland (1914-2000), FI (b. 1914) |
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kyllikki virolainen Finnish politician and journalist (1924-2009), FI (b. 1924) |
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anne-mari virolainen Finnish politician, FI (b. 1965) |
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| heikki w. virolainen Finnish sculptor, FI (b. 1936) |
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| jyrki virolainen Finnish judge, professor emeritus, FI (b. 1943) |
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| hannu virolainen Finnish actor, FI (b. 1947) |
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| nalle virolainen Finnish visual artist, FI (b. 1958) |
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| merja virolainen Finnish poet, FI (b. 1962) |
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| sami virolainen researcher |
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| kalle virolainen Finnish pesäpallo player, FI |
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| timo virolainen FI |
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| mikko virolainen FI |
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| kari virolainen FI |
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| kari virolainen FI |
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| wilhelmiina virolainen FI |
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Mr, Arto, Arja, Aino, Auli, Atte, Kari, Kati, Kata, Kivi, Pasi, Pete, Piia, Rami, Jani, Jari, Joni, Joel, Jere, Juha, Juho, Taru, Anja, Anni, Anne, Anna, Ms, Mia, Anu, Ari, Aki, Kht, Pia, Leo, Tea, Tia, Tomi, Esa, Mari, Mona, Mika, Miia, Sani, Sari, Sami, Satu, Simo, Suvi, Ida, and Toni