Frederick Simpson (March 1878 – May 19, 1945) was a Mississauga Ojibway Canadian athlete who competed in the Olympic games in 1908.

[2] Simpson competed in the 1908 Summer Olympics in the men's marathon, but did not win a medal, placing 6th.

Simpson turned professional in 1909, racing in both Canada and the United States.

[3] In 1988 Simpson was inducted into the Peterborough & District Sports Hall of Fame.

This biographical article relating to Canadian athletics and track and field is a stub.