Mary Morgan may refer to: Jaye P. Morgan or Mary Margaret Morgan (1931–2026), American popular music singer, actress and game show panelist Mary Morgan (British murderer) (1788–1805), Welsh servant convicted for killing her newborn child Mary C. Morgan (fl. 1960s–2020s), judge of the San Francisco County Superior Court and the first openly lesbian judge appointed in the United States Mary Jane Morgan (1823–1885), American art collector and wife of Charles Morgan Mary "Rae" Morgan, convicted of the 1961 manslaughter of her step-daughter Michele LeAnn Morgan Mary Sherman Morgan (1921–2004), American rocket fuel scientist Mary S. Morgan (born 1952), professor of the history of economics in the London School of Economics Mary DeNeale Morgan (1868–1948), American painter Mary Kimball Morgan (1861–1948), American educator
See also Mary De Morgan (1850–1907), British author of literary fairytales Mary Morgan-Grenville, 11th Lady Kinloss (1852–1944), British peeress Mary Morgan-Richards (fl. 1990s–2020s), New Zealand biologist