Mary Collins

Mary Collins may refer to:
 * Mary Collins (First Lady of Boston) (1920–2010)
 * Mary Collins (politician) (born 1940), Canadian politician
 * Mary Collins (missionary) (1846–1920), American who worked among the Sioux
 * Mary Call Darby Collins (1911–2009), widow of governor LeRoy Collins and first lady of Florida, 1955–1961
 * Mary Collins (immunologist), British immunologist at University College London
 * Mary Collins (psychologist) (1895–1989), psychology lecturer at the University of Edinburgh
 * Mary Collins Whiting (1835–1912), American lawyer, businesswoman, and teacher
 * Mary Ammirato-Collins (1908–?), American artist
 * Mary Jean Collins (born 1939), American feminist
 * Mary Teresa Collins (born 1960s), Irish Traveller abuse survivor and activist
 * Bo Derek (born Mary Cathleen Collins in 1956), American actress
 * Mary C. Rabbitt (born Mary Priscilla Collins; 1915–2002), American geophysicist, administrator, and historian

Fictional characters

 * Mary Lou Collins, in the US TV sitcom The Larry Sanders Show, played by Mary Lynn Rajskub