Judith "Judy" C. Brown is an American physicist and Professor Emerita at Wellesley College. She was a visiting scientist at the MIT Media Lab in the Machine Listening Group for over 20 years, and is recognized for her contributions in music information retrieval, including developing the constant-Q transform. She is a Fellow of the Acoustical Society of America (ASA) and has served on the ASA technical committees for musical acoustics and animal bioacoustics.