Kapanen is a Finnish surname. Notable people with the surname include:
Hannu Kapanen (born 1951), Finnish ice hockey player Kasperi Kapanen (born 1996), Finnish professional ice hockey forward Kimmo Kapanen (born 1974), Finnish professional ice hockey goaltender Niko Kapanen (born 1978), Finnish professional ice hockey centre Oliver Kapanen (born 2003), Finnish professional ice hockey centre Sami Kapanen (born 1973), Finnish professional ice hockey forward