Ragnhild Haga (born 12 February 1991) is a Norwegian cross-country skier.
She competed in the World Cup 2015 season, making a breakthrough by taking 12 top ten World Cup results.At the 2015 Tour de Ski, she finished fourth overall.She represented Norway at the FIS Nordic World Ski Championships 2015 in Falun.
She is the niece of Anders Bakken, who competed in cross-country skiing at the 1980 Winter Olympics in Lake Placid.