Richard Karpen (b. New York, 1957) is a composer and researcher in multiple areas of music and the arts. His compositions for both electronic media and live performance are widely known, recorded, and performed internationally. Since the early 1980s he has also been in the forefront of the development of computer applications for music composition, interactive performance, and the sonic arts. He is also active as pianist.

Karpen is a Professor of Digital Arts and Experimental Media (DXARTS) and Music Composition at the University of Washington in Seattle. Also at the UW he was founding Director of DXARTS in 2001 and Director of the School of Music from 2009-2020. He has been the recipient of many awards, grants, and prizes, including those from the National Endowment for the Arts, the Bourges Contest in France, and the Luigi Russolo Foundation in Italy. Karpen has composed works for many leading international soloists, such as soprano Judith Bettina, violists Garth Knox and Melia Watras, trombonist Stuart Dempster, flutists Laura Chislett and Jos Zwaanenberg, guitarist Stefan Östersjö, and ensembles such as The Six Tones, JACK Quartet, The Seattle Symphony, and the Harry Partch Ensemble. Karpen is a founding member, with Cuong Vu, of the experimental improvisation ensemble Indigo Mist. As a pianist, Karpen has performed and recorded with Cuong Vu, Bill Frisell, Ted Poor, Steve Rodby, and others. Karpen's compositions and performances have been recorded on a variety of labels including Wergo, Centaur, Neuma, Le Chant du Monde, DIFFUSION i MeDIA, Fleur du Son, Capstone, and RareNoise.