Thomas J. Sargent (born July 19th, 1943) is an economist. He is known as "one of the leaders of the rational expectations revolution" and the author of numerous path-breaking papers.

He earned his B.A. from U.C. Berkeley in 1964 and his PhD from Harvard in 1968.

He has been affiliated with Carnegie Institute of Technology, University of Pennsylvania, University of Minnesota, University of Chicago, Stanford University, and is currently at New York University.