Mary Maclean, MacLean, or McLean may refer to:
- Mary Ann MacLean (1931âÂÂ2005), Scottish occultist
- Mary Dunlop Maclean (1873âÂÂ1912), American writer, journalist, and editor of The Crisis
- Mary Hancock McLean (1861âÂÂ1930), American physician and missionary
- Mary Maclean (1962âÂÂ2018), English artist, photographer, and Royal Academy lecturer
- Mary MacLean Hindmarsh (1921âÂÂ2000), Australian botanist
- Mary McLean (1866âÂÂ1949), New Zealand school principal
See also