Mary Sullivan may refer to:
Mary Sullivan (murder victim) (1944–1964), American victim in the Boston Strangler case Mary Sullivan (netball) (1920–1977), New Zealand netball player Mary A. Sullivan (1878/1879–1950), American police detective Mary Ann Sullivan (born 1959), American politician (former member of the Indiana House of Representatives) Mary Gail Sullivan (born 1952), American former rugby union player Mary Quinn Sullivan (1877–1939), American art collector Mary Sullivan (politician), member of the Vermont House of Representatives
See also Mary O'Sullivan (disambiguation)