Robert Edward Folinsbee OC FRSC (April 16, 1917 – May 1, 2008) was a Canadian geologist, whose work involved geochronology, ore deposits, and meteorites.
Born in Edmonton, Alberta, he received a Bachelor of Science degree in 1938 from the University of Alberta, a Master of Science degree in 1940 and a Ph.D. in 1942 from the University of Minnesota.
During World War II, he served with the Royal Canadian Air Force as a pilot.
In 1967, he was awarded the Royal Society of Canada's Willet G. Miller Medal.
His later publications reflected his interests in the fields of geochronology, ore deposits, and meteorites.