Megan Marshall (born June 8, 1954) is an award-winning American scholar, writer, and biographer.
Her first biography The Peabody Sisters: Three Women Who Ignited American Romanticism (2005) earned her a place as a finalist for the 2006 Pulitzer Prize for Biography or Autobiography.
Her second biography Margaret Fuller: A New American Life (2013) is a richly detailed account of Margaret Fuller, the 19th-century author, journalist, and women’s rights advocate who perished in a shipwreck off New York’s Fire Island. It won the 2014 Pulitzer Prize for Biography or Autobiography.
Marshall was born in Oakland, California. Her mother was a book designer; her father worked in city government. Marshall came East to attend Bennington College as a literature and music major, but she left college without finishing and later enrolled at Harvard College, where she studied with poets Robert Lowell, Elizabeth Bishop, Robert Fitzgerald, and Jane Shore. She earned a B.A. degree in 1977 and was elected to Phi Beta Kappa.
Before turning to writing, Marshall worked in the publishing industry and taught. From 1980 to 2007, she was married to author John Sedgwick.
Her first book, published in 1984, was The Cost of Loving: Women and the New Fear of Intimacy, which examines the impact of the feminist movement on its followers.