Dorothy Mary Emmet (//; 29 September 1904 – 20 September 2000) 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.
- Commonwealth Fellowship at Radcliffe College
- Lecturer in philosophy at Armstrong College, Newcastle-upon-Tyne (now Newcastle University) in 1932
- She joined Manchester University as a lecturer in the philosophy of religion in 1938. She was named reader in philosophy in 1945 and was appointed Sir Samuel Hall professor of philosophy in 1946.
- President of the Aristotelian Society in 1953-54.
- Whitehead's Philosophy of Organism (1932)
- The Nature of Metaphysical Thinking (1945)
- Annual philosophical lecture to the British Academy (1949)
- The Stanton lectures in Cambridge (1950–53)
- Function, Purpose and Powers (1958)
- Rules, Roles and Relations (1966)
- In The Moral Prism (1979)
- The Effectiveness of Causes (1986)
- The Passage of Nature (1992)
- The Role of the Unrealisable (1994)
- Philosophers and Friends: Reminiscences of 70 Years in Philosophy (1996)