Paavolainen is a Finnish language patronymic surname derived from the first name Paavo. It was a protected surname.Paavolainen: Sukunimi-info Notable people with the surname include:
Erkki Paavolainen (1890–1930), Finnish journalist, educationist and politician Jaakko Paavolainen (1927–2007), Finnish historian Olavi Paavolainen (1903–1964), Finnish writer, essayist and poet Pekka Paavolainen (1868–1930), Finnish lawyer, civil servant and politician See also
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