Aaron C. Pixton (born January 13, 1986) is an American mathematician at the University of Michigan.

[3] While an undergraduate at Princeton University, Pixton was a three-time Putnam Fellow.

[6] Pixton received his Ph.D. in 2013 from Princeton under the supervision of Rahul Pandharipande; his dissertation was The tautological ring of the moduli space of curves.

[7][8] Pixton was appointed as a Clay Research Fellow for a term of five years beginning in 2013.

[9] After two years as a postdoctoral researcher at Harvard University, he became an assistant professor of mathematics at the Massachusetts Institute of Technology in 2015.