Mary Sawyer

Mary Sawyer may refer to:


 * Mary Sawyer (tennis) (born 1957), Australian professional tennis player
 * Mollie Monroe (1846–1902), American old west identity, born Mary Sawyer
 * Mary Sawyer, Tom Sawyer's female cousin in The Adventures of Tom Sawyer
 * Mary Sawyer, later Mary Tyler, the possible inspiration for the poem "Mary Had a Little Lamb"