Neil James Sinclair Swainson (born November 15, 1955) is a Canadian jazz bassist. Swainson started his career in Victoria, British Columbia, when he supported visiting American musicians such as Herb Ellis, Barney Kessell, and Sonny Stitt. In 1976 he moved to Vancouver after playing with the Paul Horn Quintet and leading a band for two years. He moved to Toronto in 1977.