William F. Leitch (born October 10, 1975, in Mattoon, Illinois) is a writer and the founding editor of the Gawker Media former sports blog Deadspin. Leitch is a national correspondent for MLB.com, a contributing editor at New York, critic at Grierson & Leitch, contributor to The New York Times, GQ, The Washington Post and NBC News; and has published four books, Catch, a novel, Life as a Loser, a memoir, God Save The Fan, a book of sports essays, and Are We Winning?, a book about fatherhood and baseball.

His fifth book, How Lucky, a novel, was published by Harper in May 2021 and received an endorsement from author Stephen King.