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.
Although mainly a freelance composer, he holds an honorary position at the University of York.
On Sonic Art puts forth his theoretical and philosophical ideas, while Audible Design deals mainly with the practice and technique of composing with digital audio.