Matthew Klam (born 1964) is an American fiction writer and magazine journalist. The New Yorker named him one of the 25 best fiction writers under 40, and he has won a Guggenheim fellowship, a PEN/Robert W. Bingham Prize for Sam the Cat and Other Stories, a National Endowment of the Arts, a Whiting Award and an O. Henry Award. His work appears in a variety of magazines, including The New Yorker, Esquire, GQ, Harper's, and The New York Times Magazine. Klam graduated from Hollins College and the University of New Hampshire.