Margaret Martonosi is an American computer scientist who is currently the Hugh Trumbull Adams '35 Professor of Computer Science at Princeton University. Martonosi is noted for her research in computer architecture and mobile computing with a particular focus on power-efficiency. She is also noted for her leadership in broadening participation in computing. She is currently co-Chair of the CRA-W Board. In 2016, she was appointed to a six year term as an Andrew Dickson White professor-at-large at Cornell University.