Mary Reid

Mary Reid may refer to:

• Mary Reid (activist) (1953–2003), Irish activist, socialist and poet
• Mary Reid Macarthur (1880–1921), Scottish suffragist and trades unionist
• Mary Hiester Reid (1854–1921), American-born Canadian painter and teacher
• Mary Martha Reid (1812–1894), Florida's "most famous nurse and Confederate heroine"
• Mary Greyeyes-Reid (1920–2011), first woman of the First Nations to join the Canadian Women's Army Corps
• Mary E. Wrinch (1878–1969), British-Canadian artist

• Mary Reid, in the UK TV soap opera Brookside, played by Carolyn Jordan

• Mary Read (?–1721), pirate
• Mary Reed (disambiguation)