Arthur Henry Dutton (November 13, 1838 – June 5, 1864) was an American career soldier. A trained military engineer and high graduate of West Point, he served mostly as an infantry officer in the Union Army, fighting within both the Eastern Theater and Western Theaters during the American Civil War. Dutton also helped raise and became the first commander of the 21st Connecticut Volunteer Infantry in late 1862. He was mortally wounded in action at Bermuda Hundred in late May 1864, and was posthumously breveted a brigadier general.