William Atherton (January 10, 1793 – September 11, 1863) was an American soldier, rifleman and veteran of the War of 1812 from Shelbyville, Kentucky. He was a private in Captain John Simpson's company of the 1st Rifle Regiment. He served under William Henry Harrison. Atherton wrote a journal that detailed his war service within the Kentucky militia, including their defeat and subsequent massacre at River Raisin by opposing forces, and his subsequent capture and imprisonment.