Gillian Mary Donaldson MBE (née Sheen; 21 August 1928 – 5 July 2021) was a British fencer and Olympic champion in foil competition.

[6] The press hailed her as a middle-class figure and emphasized her age (28) and gender so that she was seen as a "dark horse" competitor.

[8] She represented England and won a silver medal in the individual foil at the 1954 British Empire and Commonwealth Games in Vancouver, Canada.

[5] She was appointed Member of the Order of the British Empire (MBE) in the 2019 Birthday Honours for services to UK sport.

[4][12] She is survived by four children; her memorial service was held at the Episcopal Church of Saints Peter and John.