Trevor Wishart (born 11 October 1946) is an English composer, based in York. Wishart has contributed to composing with digital audio media, both fixed and interactive. He has also written extensively on the topic of what he terms "sonic art", and contributed to the design and implementation of software tools used in the creation of digital music; notably, the Composers Desktop Project.

Wishart was born in Leeds, West Riding of Yorkshire. He was educated at the University of Oxford (BA 1968), the University of Nottingham (MA 1969), and the University of York (PhD 1973). Although mainly a freelance composer, he holds an honorary position at the University of York. He was appointed as composer-in-residence at the University of Durham in 2006, and then at the University of Oxford Faculty of Music in 2010–11, supported by the Leverhulme Trust.