The William I. Fine Theoretical Physics Institute (FTPI) was established in 1987 as part of the University of Minnesota's School of Physics and Astronomy with the goal of conducting research in theoretical physics at a world-class level.

The most important function of FTPI is to produce significant, exciting, and sound theoretical physics that will have an impact on physics as a whole. To this end the Institute provides a meeting place for theorists from around the globe to exchange and develop ideas.

FTPI sponsors short-term workshops and longer programs, as well as hosting visiting scholars for long-term stays. Through these and other outreach programs, the Institute serves to advance theoretical physics and to further develop its links to other science and engineering research disciplines, industrial research initiatives, and other academic sectors.