Keränen is a Finnish surname. Notable people with the surname include:
Carrie Keranen, American voice actress and voice director Greg Keranen, American bass guitarist Iikka Keränen, Finnish video game programmer Janne Keränen (born 1987), Finnish ice hockey player Juho Keränen (born 1985), Finnish ice hockey player Michael Keränen (born 1990), Finnish ice hockey player Rami Keränen, Finnish guitarist
Noora Kaisa Keränen (born 2001), Finnish biathlete