Gordon Williamson (b. 1974, Ottawa) is a Canadian composer currently based in Hannover, Germany. Recent activities include commissions and performances by the China National Symphony Orchestra, the Sonar Quartet, Flex Ensemble, the Radio Symphony Orchestra Stuttgart, hand werk, Ensemble Schallfeld, Asian Art Ensemble and the Swedish Radio Choir, as well as artist residencies at Künstlerhof Schreyahn and Schloss Wiepersdorf in Germany, the Styria Artist-in- Residence Program (Graz), Centre Récollets (Paris) and Casa Baldi in Italy.

The recipient of several awards and prizes for his work, Williamson has most recently been awarded a 2023 Residency Fellowship from the German Study Center in Venice. Further recognitions include prizes from the Bogliasco Foundation, C4 Ensemble and the Esoterics in the USA, an SWR Orchestra Prize in Stuttgart, young composer awards from CBC/SRC, SOCAN and ASCAP as well as grants and artist stipends from the Ministry of Science and Culture of Lower Saxony and the Canada Council for the Arts. The Ernst von Siemens Musikstiftung, CBC/SRC, SWR and the Canada Council for the Arts have all commissioned works from him and his music been performed at festivals such as ECLAT, Beijing Modern Music Festival, KLANG, NOW Festival!, Klangbrücken and ISCM. His works have been broadcast over the radio across Europe and North America.

Gordon Williamson studied composition at the Hochschule für Musik, Theater und Medien Hannover, the Royal Danish Academy of Music, Indiana University Bloomington, and Dalhousie University, and his main teachers were Johannes Schöllhorn, Sven-David Sandström, Bent Sørensen, Hans Abrahamsen and David Dzubay. He began teaching composition at the Hochschule für Musik, Medien und Theater Hannover in 2010, where he has been Guest Professor of Composition since 2015 and where he served as Director of the Incontri Institute for New Music there from 2015-2023. He also serves as vice-chairman of the Hanover Society for New Music (HGNM) and his works have been published by Edition Gravis (Berlin) since 2012.