Sarah Manguso (born 1974) is an American writer and poet. In 2007, she was awarded the Joseph Brodsky Rome Prize Fellowship in literature by the American Academy of Arts and Letters. Her memoir The Two Kinds of Decay (2008), was named an "Editors’ Choice" title by the New York Times Sunday Book Review and a 2008 "Best Nonfiction Book of the Year" by the San Francisco Chronicle. Her book Ongoingness: The End of a Diary (2015) was also named a New York Times "Editors’ Choice." Her debut novel, Very Cold People, was published by Penguin in 2022.