Janet L. Hetherington (born November 19, 1955 in Toronto, Ontario) is a Canadian writer and artist who was a winner of an Aurora Award for Canadian science fiction excellence in 1999.

She has been creating original material with partner Ronn Sutton at Hetherington / Sutton Studios in Ottawa, since the early 1990s. Hetherington and Sutton have collaborated and worked independently and on various projects, including designing promotional material for Canada Post's popular "Superhero Stamp" series of 1995. This stamp series featured Canadian origin comic book characters Superman, Nelvana of the Northern Lights, Johnny Canuck, Captain Canuck and Fleur de Lys.