Justin Jesse Price (1930 – 12 March 2011) was an American mathematician, known for several textbooks and contributions to his field. His Ph.D. dissertation at the University of Pennsylvania was I. Some Duality Theorems II. On the Characters of Certain Compact Abelian Groups advised by Nathan Fine (1956). Price participated in a research project for the Air Force (1956–58) and joined the faculty at Cornell University as associate professor (1958–63). In 1963 he became professor at Purdue University, retiring in 2004.