Karen Mac Cormack (born Luanshya, Zambia, [1] 1956) is a contemporary experimental poet. She holds dual British/Canadian citizenship, and lived for many years in Toronto; more recently, she moved to Buffalo, New York, when her husband, the poet Steve McCaffery, was hired by SUNY-Buffalo for the David Gray Chair.

Mac Cormack is the author of Straw Cupid (1987), Quirks & Quillets (1991), Marine Snow (1995), The Tongue Moves Talk (1997), At Issue (2001), Vanity Release (2003) and Implexures (part one, 2003; full-length publication, 2009), as well as a collaboration with the British poet Alan Halsey, Fit to Print (2003).