Surname Виролайнен (Virolainen 
, Виролайнен 
) , worldwide, is quite a rare cognomen. The last name Виролайнен 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, it is commonest in Finland, Russia, and Estonia.
| VARIANT | COUNTRY |
|---|---|
| Virolainen | Germany, Sweden, Russia, Estonia, Finland |
| Виролайнен | Kyrgyzstan, Kazakhstan, Russia, Ukraine |
| виролайнен, вольдемар матвеевич Russian politician, RU (b. 1901) |
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дарья леонидовна виролайнен Russian biathlete, RU (b. 1989) |
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| виролайнен, любовь ивановна Russian actress, RU (b. 1941) |
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| виролайнен, павел матвеевич RU (b. 1938) |
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| мария наумовна виролайнен Russian literary scholar, RU (b. 1954) |
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| виролайнен, роман Olympic cross-country skier, BY (b. 1981) |
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