Jonathan Peter Keating FRS is a British mathematician. As of September 2019 he is the Sedleian Professor of Natural Philosophy at the University of Oxford, and from 2012 to 2019 was the Henry Overton Wills Professor of Mathematics at the University of Bristol, where he served as Dean of the Faculty of Science (2009-2013). He has made contributions to applied mathematics and mathematical physics, in particular to quantum chaos, random matrix theory and number theory.