John Mighton, OC (born October 2, 1957) is a Canadian mathematician, author, and playwright. He founded JUMP (Junior Undiscovered Math Prodigies) Math, a charitable organization that works to educate students in mathematics, in 2001. Mighton was born in Hamilton, Ontario on October 2, 1957 and lives in Toronto, Ontario with partner Pamela Sinha and daughter Chloe.
Mighton completed a Ph.D. in mathematics at the University of Toronto and was awarded an NSERC fellowship for postdoctoral research in knot and graph theory. He is a Fellow of the Fields Institute for Research in Mathematical Sciences and has taught mathematics at the University of Toronto. Dr. Mighton also lectured in philosophy at McMaster University, where he received a Masters in philosophy.