William Eastlake (July 14, 1917 in Brooklyn, New York – 1997 Tucson, Arizona) was an American writer. His Checkerboard Trilogy, consisting of the works Go in Beauty (1956), The Bronc People (1958), and Portrait of an Artist with Twenty-Six Horses (1963) was included by literary critic Larry McCaffery in his list of the 20th Century's Greatest Hits: 100 English-Language Books of Fiction.