Cognomen Vihavainen (Vihavainen 
) , across the world, is a rare last name. The family name Vihavainen is habitual in Northern Europe, particularly Finland, where it is quite a common surname, Lithuania, where it is a rare surname, and Denmark, where it is a very rare surname. Measured by absolute frequency, this name is the most popular in Finland, Lithuania, and the United States.
| VARIANT | COUNTRY |
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| Vihavainen | Denmark, Finland, Norway, Lithuania, United States |
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timo vihavainen Finnish historian, FI (b. 1947) |
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| tuija vihavainen Finnish researcher, research professor (emerita) of VTT (VTT Technical Research Centre of Finland), FI (b. 1941) |
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| satu vihavainen Finnish opera singer, FI (b. 1957) |
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| jukka vihavainen Finnish bodybuilder, FI (b. 1971) |
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| satu vihavainen FI |
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| kristiina vihavainen FI |
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Mr, Juha, Juho, Jiri, Taru, Topi, Tero, Timo, Tiia, Emma, Eija, Eetu, Eemi, Heli, Vesa, Ossi, Otto, Oona, Marco, Marko, Marjo, Marja, Jere, Jodi, Joni, Jani, Ms, Mia, Anu, Aki, Esa, Meri, Mika, Mimi, Sara, Sari, Matti, Sami, Simo, Suvi, Anne, Anni, Asko, Aura, Kari, Kiti, Pasi, Riku, Satu, and Merja