David J. Griffiths (born 1942) is a U.S. physicist and educator. He worked at Reed College from 1978 through 2009, becoming the Howard Vollum Professor of Science before his retirement. He is not to be confused with the late physicist David J. Griffiths of Oregon State University.Griffiths is a graduate of The Putney School and was trained at Harvard University (B.A., 1964; M.A., 1966; Ph.D., 1970).