Mary Crowley

Mary Crowley may refer to:
 * Mary C. Crowley (1915–1986), American founder and CEO of Home Interiors and Gifts
 * Mary Catherine Crowley (1856–1920), American author of poems and novels
 * Mary Frances Crowley (1906–1990), Irish educator and nurse
 * Mary Medd (1907–2005), née Crowley, British architect