Mary Greene

Mary Greene may refer to:


 * Mary Ann Greene (1857–1936), American lawyer, writer, and lecturer
 * Mary Becker Greene (1867–1949), steamboat captain of the Greene Line of river steamboats
 * Mary Greene (nun) (1843–1933), Irish-born Catholic nun and educator
 * Mary Shepard Greene (1869–1958), American artist, illustrator and jewelry designer