Sarah Bartlett Churchwell (born May 27, 1970) is a professor of American Literature and Public Understanding of the Humanities at the School of Advanced Study, University of London, UK. Her expertise is in 20th- and 21st-century American literature and cultural history, especially the 1920s and 1930s. She has appeared on British television and radio and has been a judge for the Booker Prize, the Baillie Gifford Prize, the Women's Prize for Fiction, and the David Cohen Prize for Literature. She is the director of the Being Human festival and the author of three books: The Many Lives of Marilyn Monroe; Careless People: Murder, Mayhem and the Invention of The Great Gatsby; and Behold America: A History of America First and the American Dream. In April 2021, she was long listed for the Orwell Prize for Journalism.