Robert Fulford Ruttan, FRSC (July 15, 1856 – February 19, 1930) was a Canadian chemist and university professor.
He received a Bachelor of Arts in natural science degree in 1881 from the University of Toronto.
He never practiced medicine, but rather did postgraduate studies in organic chemistry with August Wilhelm von Hofmann at the University of Berlin.
Returning to Canada in 1886, he was appointed a lecturer in chemistry in the faculty of medicine at McGill.
A cricketer, yachtsman, and golfer, Ruttan was president of the Royal Canadian Golf Association in 1907.