Laura Hillenbrand (born 1967) is the author of the acclaimed Seabiscuit: An American Legend, a non-fiction account of the career of the great racehorse Seabiscuit, for which she won the William Hill Sports Book of the Year in 2001. The book later became the basis of the 2003 movie Seabiscuit. Her essays have appeared in The New Yorker, Equus magazine, American Heritage, The Blood-Horse, Thoroughbred Times, The Backstretch, Turf and Sport Digest, and many other publications. Her 1998 American Heritage article on the horse Seabiscuit won the Eclipse Award for Magazine Writing.

Born in Fairfax, Virginia, Hillenbrand studied at Kenyon College in Gambier, Ohio, but was forced to leave before graduation when she contracted chronic fatigue syndrome, which she has struggled with ever since. She now lives in Washington, D.C.