Sharpsburg is a town in Washington County, Maryland, United States, approximately 13 miles (21 km) south of Hagerstown. The population was 691 at the 2000 census.
During the American Civil War, the Battle of Antietam (or Battle of Sharpsburg) was fought on what is now Antietam National Battlefield, in the vicinity of Antietam Creek.
Joseph Chapline first the first to settle in the area, around 1740. At the end of the French and Indian War in 1763, Chapline founded a town, naming it in honor of his friend Horatio Sharpe, the Proprietary Governor of the Province of Maryland. Its original settlers were mostly of German or Swiss origin.