Mary James may refer to:
Mary James (educator) (born 1946), Associate Director of Research at the University of Cambridge Mary James (scientist), American physicist Mary James Gill (born 1985), Pakistani politician Mary-Dulany James (born 1960), U.S. politician in Maryland Mary Dagworthy James (1810–1883), American hymn writer (also went by Mary Yard James) Mary James, a pen name for Marijane Meaker (1927–2022), American author who wrote books for young children HMS Mary James, two ships of the Royal Navy have borne the name HMS Mary James