Last name Wilenius (Wilenius 
, Вилениус) , in the entire world, is a rare family name. The family name Wilenius is habitual in Northern Europe, particularly Finland, where it is quite a common surname, Estonia, where it is a rare surname, and Latvia. Not in comparison with a country's population, it is the most numerous in Finland, the United States, and Sweden.
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| Wilenius | Sweden, United Kingdom, Estonia, Finland, United States |
| georg wilenius Finnish architect, FI (b. 1831) |
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| waldemar wilenius Finnish architect (1868-1940), FI (b. 1868) |
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reijo wilenius Finnish philosopher, FI (b. 1930) |
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| bengt wilenius Finnish ice hockey player, FI (b. 1944) |
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| jaana wilenius Finnish singer, FI (b. 1961) |
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| markku wilenius FI (b. 1961) |
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| juha wilenius researcher |
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| jasper wilenius FI |
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| yvonne wilenius FI |
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| tomi wilenius Finnish ice hockey player, FI (b. 1993) |
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Mr, Leah, Lori, Jani, Jami, Jari, Juha, Tomi, Tiia, Nils, Nina, Elis, Ella, Emmi, Eeva, Hugo, Ivar, Iina, Maria, Merja, Mikko, Sarah, Greg, Gene, Dave, Paul, Ms, Bo, Ana, Ann, Amy, Aku, Ben, Kim, Jim, Tom, Sherr, Eva, Ian, Mari, Mark, Mika, Sari, Satu, Anna, Anne, Kari, Kirk, Isa, and Sirpa