William Gaston (disambiguation)

William Gaston (1778–1844) was an American jurist and United States Representative from North Carolina.

William Gaston may also refer to:
 * William Gaston (merchant) (1785–1837), prominent citizen of Savannah, Georgia
 * William Gaston (Massachusetts politician) (1820–1894), 29th Governor of Massachusetts
 * William A. Gaston (1859–1927), American lawyer, banker, and gubernatorial candidate
 * William H. Gaston (1840–1927), American landowner and Confederate soldier from Texas
 * SS William Gaston, a World War II Liberty ship named after the North Carolina Representative