Mary Beth Keane (born 1977) is an American writer of Irish parentage. She is the author of The Walking People (Houghton Mifflin Harcourt, 2009) and Fever (Scribner, 2013). In 2011 she was named one of the National Book Foundation's "5 under 35," and in 2015 she was awarded a Guggenheim Fellowship for Fiction.
Born in the Bronx, New York City, and raised in Pearl River, New York, Keane attended Immaculate Heart Academy in Washington Township, New Jersey, and Barnard College, Columbia University, receiving her B.A. in English Literature in 1999. She later attended the University of Virginia, where she earned her M.F.A. in Fiction in 2005. Her writing has appeared in The New York Times, The Chicago Tribune, The Daily Beast, The Antioch Review, New York Stories, The Recorder, The Baltimore Review, and elsewhere.
Keane lives outside New York City with her husband and their two sons.