Surname Suojanen (Suojanen 
) , globally, is a rare last name. The cognomen Suojanen is characteristic of Aland Islands, where it is quite a common surname, Finland, and Belgium, where it is a very rare surname. Measured by absolute frequency, the name is most common in Finland, the United States, and Aland Islands.
| VARIANT | COUNTRY |
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| Suojanen | Canada, Finland, United States, Belgium, Aland Islands |
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tauno suojanen Finnish music manager, FI (b. 1935) |
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| reino suojanen Finnish association football player (1925-2016), FI (b. 1925) |
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| tytti suojanen Finnish linguist and professor, FI (b. 1969) |
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| krista ann suojanen physician |
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| juho suojanen researcher |
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| tea suojanen (b. 1982) |
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Mr, Joni, Jere, Juha, Tomi, Tony, Toni, Tero, Tina, Timo, Tiia, Nico, Essi, Eric, Erik, Emma, Eino, Eero, Eeva, Visa, Vesa, Osku, Jani, Pasi, Kati, Kare, Ms, Ken, Rob, Don, Esa, Eva, Ina, Isa, Mari, Mark, Outi, Mika, Sasu, Sini, Suvi, Sean, Stan, Anna, Arto, Arja, Bill, Kari, Sami, and Otto