Tod Machover (born November 24, 1953, in Mount Vernon, New York), is a composer and an innovator in the application of technology in music. He is the son of Wilma Machover, a pianist and Carl Machover, a computer scientist.

He was named Director of Musical Research at IRCAM in 1980. Joining the faculty at the new Media Laboratory of the Massachusetts Institute of Technology (MIT) in 1985, he became Professor of Music and Media and Director of the Experimental Media Facility. Currently Professor of Music and Media at the MIT Media Lab, he is head of the Lab's Hyperinstruments/Opera of the Future group and has been co-director of the Things That Think (TTT) and Toys of Tomorrow (TOT) consortia since 1995. In 2006, he was named visiting professor of composition at the Royal Academy of Music in London. He has composed significant works for Yo-Yo Ma, Joshua Bell, Matt Haimovitz, the Ying Quartet, the Boston Pops, the Los Angeles Philharmonic, Penn & Teller, and many others, as well as designed and implemented various interactive systems for performance by Peter Gabriel and Prince. Machover gave a keynote lecture at NIME-02, the second international conference on New Interfaces for Musical Expression, which was held in 2002 at the former Media Lab Europe in Dublin, Ireland, and is a frequent lecturer worldwide. Machover is a Finalist for the 2012 Pulitzer Prize in Music for his opera Death and the Powers.