Dan Margalit (born March 6, 1976) is an American mathematician at Vanderbilt University.

[1] He earned his doctorate from the University of Chicago in 2003, advised by Benson Farb.

His thesis was titled Algebra versus Topology in Mapping Class Groups.

[1] In 2023, Margalit moved to Vanderbilt University as chair of the Department of Mathematics.

[4] Margalit became a fellow of the American Mathematical Society in 2019; he was recognized "for contributions to low-dimensional topology and geometric group theory, exposition, and mentoring.