Magnar Lundemo (4 March 1938 in Meråker – 7 January 1987 in Meråker) was a Norwegian cross-country skier and track and field athlete. As a skier he participated in two Olympic Games and placed fourth at the 1962 World Championships. In the athletics he took several national titles, and recorded one nineteenth place at the 1962 European Championships. He was also a coach.