Marina Sarah Warner (born 9 November 1946 in London, England) is a British novelist, short story writer, historian and mythographer. She is known for her many non-fiction books relating to feminism and myth. She is currently Professor in the Department of Literature, Film and Theatre Studies at the University of Essex.
She was born in London to an English father and Italian mother. Her paternal grandfather was the English cricketer Sir Pelham Warner. She was brought up in Cairo, Brussels and in Berkshire, England, where she studied at St Mary's School, Ascot. She studied French and Italian at Lady Margaret Hall, Oxford. In 1971, she married William Shawcross, with whom she had a son Conrad Shawcross; the couple later divorced.