Dueling Creek is a tributary of the Anacostia River in southern Maryland in the United States, located in the town of Colmar Manor.
It was a favorite spot for duels in the 19th Century, and was the site of a duel between Stephen Decatur and James Barron.
Coordinates: 38°55′43″N 76°56′35″W / 38.92861°N 76.94306°W