Mary Sullivan

Mary Sullivan may refer to:


 * Mary Sullivan (murder victim) (?–1962), 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