Daryl Runswick (12 October 1946) is a classically trained English composer, arranger, musician, producer and educationalist.
He started playing bass with leading UK jazz musicians in the mid-60s, including Dick Morrissey and John Dankworth, with whom he would tour and compose for extensively for some 12 years. In 1969, he was a member of the Lionel Grigson-Pete Burden Quintet, and in 1972 he played and recorded with the Ian Hamer Septet, a band in which he coincided with Tubby Hayes, among others, and throughout the 1970s he was also a member of the London Jazz Four. As a session musician he later branched out into more popular music, including appearing on the first The Alan Parsons Project recording and working with Elton John.
He has also worked with the London Sinfonietta, Nash Ensemble and The King's Singers, Pierre Boulez, Ornette Coleman, Simon Rattle and Sarah Vaughan.
Cleo Laine has recorded several of his compositions.
From 1995 to 2005 he was Head of Composition Faculty at Trinity College of Music (notable students include Angie Atmadjaja, Dai Fujikura, Harris Kittos, Nikos Veliotis and Reynaldo Young).