David Jeffrey Griffiths (born December 5, 1942) is an American physicist and educator. He was on the faculty of Reed College from 1978 through 2009, becoming the Howard Vollum Professor of Science before his retirement. He wrote three highly regarded textbooks for undergraduate physics students. This article is about David Jeffrey Griffiths of Reed College. He is not to be confused with the late physicist David John Griffiths of Oregon State University.