Gilles Marchildon (born May 6, 1965) is a Canadian francophone activist and LGBT activist currently living in Toronto. He is currently Toronto campus director for Collège Boréal. Prior to that, he worked in the field of health as executive director of the French-language health planning agency Reflet Salvéo (now called Entité 3) from 2014 to 2019 and previously, from 2010 to 2014, as executive director of the community health agency Action Positive VIH/SIDA. He was president of ACFO Toronto and also vice-chair of the City of Toronto's French Language Advisory Committee. He continues to serve on Toronto's Advisory Committee on Seniors Services and Long-Term Care. He also sits on the board of the provincial community foundation, la Fondation Franco-ontarienne, where he was elected president