Räisänen is an eastern Finnish surname. Notable people with the surname include:
Yrjö Räisänen (1888–1948), Finnish politician Tapio Räisänen (born 1949), Finnish ski jumper Antti Räisänen (born 1950), Finnish scientist Tomi Räisänen (born 1976), Finnish composer Timo Räisänen (born 1979), Swedish musician Meeri Räisänen (born 1989), Finnish ice hockey goaltender Otso Räisänen (born 1994), Finnish freestyle skier