Melanie Matchett Wood (born 1981) is an American mathematician at Harvard University who was the first woman to qualify for the U.S. International Mathematical Olympiad Team. She completed her Ph.D. in 2009 at Princeton University (under Manjul Bhargava) and is currently Professor of Mathematics at Harvard University, after being Chancellor's Professor of Mathematics at UC Berkeley and Vilas Distinguished Achievement Professor of Mathematics at the University of Wisconsin, and spending 2 years as Szegö Assistant Professor at Stanford University. In 2017, she received an NSF Career Award.