Sari Kristiina Marjamäki née Fisk (born 17 December 1971) is a Finnish retired ice hockey forward. She played 217 matches as a member of the Finnish national team and represented Finland at sixteen top-level international competitions: three Olympic women's ice hockey tournaments, eight World Championships, and five European Championships. She won an Olympic bronze medal in the inaugural women's ice hockey tournament at the 1998 Winter Olympics, six World Championship bronze medals, four European Championship gold medals, and one European Championship bronze medal.