Koskenniemi may refer to:

• Heikki Koskenniemi (1919–2013), Finnish scholar (philology)
• Inna Koskenniemi (1923–1995), Finnish professor in the University of Turku
• Kimmo Koskenniemi (born 1945), Finnish professor
• Martti Koskenniemi (born 1953), Finnish lawyer and diplomat
• Matti Koskenniemi (1908–2001), Finnish professor (pedagogy)
• Niilo Koskenniemi (1926–1988), member of the Finnish parliament (SKDL)
• Teodor Koskenniemi (1887–1965), Finnish athlete
• Veikko Antero Koskenniemi (1885–1962), Finnish poet