David Quammen (born February 1948) is an American science, nature and travel writer and the author of fifteen books, five of them fiction. He wrote a column, called "Natural Acts" for Outside magazine for fifteen years. His articles have also appeared in National Geographic, Harper's, Rolling Stone, the New York Times Book Review and other periodicals. In 2013, Quammen's book Spillover was shortlisted for the PEN/E. O. Wilson Literary Science Writing Award.
Born in Cincinnati, Ohio, Quammen graduated from St. Xavier High School in 1966. He is a Yale graduate and former Rhodes Scholar; during his graduate studies at Oxford, he studied literature, concentrating on the works of William Faulkner. Quammen was drawn to Montana in the early '70s for the trout fishing. He still lives in Montana, while traveling widely for National Geographic Magazine and to research his books. During autumn 2014, he was much involved, because of books and articles he has published, in the public discussion of the Ebola virus disease outbreak in West Africa and its spread beyond.