Margaret Fleming may refer to:

Margaret Fleming, Countess of Atholl (1536–1586), Scottish courtier, lady-in-waiting to Mary, Queen of Scots, alleged witch and granddaughter of James IV Margaret Fleming (1888–1977), co-owner of the Guy and Margaret Fleming House, California Margaret Fleming (1980–c. 1999), Scottish victim in the Murder of Margaret Fleming Margaret Fleming (play), an 1890 play by James A. Herne

See also Marjorie Fleming (1803–1811), Scottish child writer and poet Peggy Fleming (born 1948), American figure skater