Mary Lloyd
Mary Lloyd may refer to:
- Mary Lloyd, birth name of Molly Drake (1915–1993), English poet and musician
 - Mary Lloyd (Royal Navy officer) (1902–1972), director of the Women's Royal Naval Service (WRNS)
 - Mary Lloyd (sculptor) (1819–1896), Welsh sculptor
 - Mary Lloyd (abolitionist) (1795–1865), British abolitionist
 - Mary Helen Wingate Lloyd (1868–1934), American horticulturist
 - Mary Merrall (1890–1973), English actress who may have been born Mary Lloyd
 
See also
- Marie Lloyd (1870–1922), English music hall singer, comedian, and musical theatre actress
 - Mary Lloyd Jones (born 1934), Welsh printmaker and artist
 - Mari Lwyd, the horse skull puppet of Welsh wassailing tradition