'''Pirinen''' is a Finnish surname. Notable people with the surname include:
* Joakim Pirinen (born 1961), Swedish illustrator * Jonna Pirinen (born 1982), Finnish singer-songwriter * Juha Pirinen (born 1991), Finnish footballer * Juho Pirinen (born 1995), Finnish ice skater * Kauko Pirinen (1915–1999), Finnish historian
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Category:Finnish-language surnames