Maren Lundby (born 7 September 1994) is a Norwegian ski jumper.
She is one of the sport's most successful female athletes, having won the 2017/18 and 2018/19 women's World Cup overall titles, and a gold medal at the 2018 Winter Olympics.
As of March 2019, Lundby's twenty-five individual women's World Cup competition wins ranks her second all time, behind Sara Takanashi.