Robert L. Blackman (July 7, 1918 – March 18, 2000) was an American football player and coach. He served as the head football coach at the University of Denver (1953–1954), Dartmouth College (1955–1970), the University of Illinois at Urbana–Champaign (1971–1976), and Cornell University (1977–1982), compiling a career college football record of 168–112–7. He was inducted into the College Football Hall of Fame as a coach in 1987.