Dorland Jones Davis (July 2, 1911 – April 11, 1990) was an American physician, commissioned officer in the U.S. Public Health Service (PHS). He was the director of the National Institute of Allergy and Infectious Diseases from 1964 to 1975.Davis was born in Chicago, Illinois, on July 2, 1911. He received a B.S. degree from the University of Illinois in 1933, an M.D. degree from Johns Hopkins University in 1937, and a DrPH degree from Johns Hopkins in 1940.