Fiona Stewart (born 15 May 1966) is an Australian lawyer, sociologist, author and former executive director of the pro-euthanasia group Exit International (2004-7).
She is author of Killing Me Softly: Voluntary Euthanasia and the road to the Peaceful Pill and co-author of The Peaceful Pill Handbook (eHandbook version).
Stewart authored the Peaceful Pill Handbook series.