John R. Perry (born 1943) is Henry Waldgrave Stuart Professor of Philosophy Emeritus at Stanford University and Distinguished Professor of Philosophy Emeritus at the University of California, Riverside. He has made significant contributions to philosophy in the fields of logic, philosophy of language, metaphysics, and philosophy of mind. He is known primarily for his work on situation semantics (together with Jon Barwise), reflexivity, indexicality, personal identity and self-knowledge.
John Perry was born in Lincoln, Nebraska on January 16, 1943. He received his B.A. in philosophy from Doane College in 1964 and his Ph.D. in philosophy from Cornell University in 1968. He was awarded the Jean Nicod Prize in 1999. He is a member of the American Academy of Arts and Sciences and the Norwegian Academy of Science and Letters.
Perry recently retired as Henry Waldgrave Stuart Professor of Philosophy at Stanford University, and Distinguished Professor of Philosophy at the University of California, Riverside. In 2004, he became co-host, with Kenneth Taylor, of Philosophy Talk, the radio program that "questions everything... except your intelligence." He is also part of the Center for the Study of Language and Information (CSLI)—an independent research center founded in 1983.