Mary Fitzgerald may refer to:
Mary Fitzgerald (trade unionist) (1883–1960), Irish-born South African political activist Mary Fitzgerald (artist) (born 1956), Irish artist Mary Anne Fitzgerald (born 1945), South African-born British journalist, development aid worker and author Mary Fitzgerald (politician), member of the South Dakota House of Representatives Mary Fitzgerald (athlete), (born 1999) Irish Paralympic athlete See also Mary Fitzgerald Square in Johannesburg, South Africa