Dorothy Mary Emmet (/ˈɛmɪt/; 29 September 1904, Kensington, London – 20 September 2000, Cambridge) was a British philosopher and head of Manchester University's philosophy department for over twenty years. With Margaret Masterman and Richard Braithwaite she was a founder member of the Epiphany Philosophers. She was the doctoral advisor of Alasdair MacIntyre and Robert Austin Markus. Emmet was educated at Lady Margaret Hall, University of Oxford, where she took first-class honours in 1927.