Rolla Eugene Dyer (November 4, 1886 – June 3, 1971) was an American physician born in Delaware County, Ohio. Dyer received his B.A. in 1907 from Kenyon College in Gambier, Ohio, and his M.D. in 1914 from the University of Texas. He joined the U.S. Public Health Service in 1916. He died in Atlanta on June 3, 1971. His papers are held at the National Library of Medicine.