Susan Swan (born 9 June 1945) is a Canadian author. Born in Midland, Ontario, she studied at McGill University. Her list of works includes The Western Light (2012),The Wives of Bath (1993), and What Casanova Told Me (2004). The Wives of Bath was made into the film Lost and Delirious in 2001, starring Piper Perabo, Jessica Paré, and Mischa Barton. The film was listed in the official selection in the Sundance Film Festival.
Swan has participated in the Humber College Humber Writers Circle at Lakeshore Campus. Susan Swan also taught at York University and retired from there in 2007 to concentrate on her writing. She was Chair of The Writers Union of Canada for 2007–2008.