The Battle of South Mills, also known as the Battle of Camden, took place on April 19, 1862 in Camden County, North Carolina as part of Union Army Maj. Gen. Ambrose E. Burnside's North Carolina expedition during the American Civil War.

Learning that the Confederates were building ironclads at Norfolk, Burnside planned an expedition to destroy the Dismal Swamp Canal locks to prevent transfer of the ships to Albemarle Sound.

Gen. Jesse L. Reno's command, which embarked on transports from Roanoke Island on April 18.

At the crossroads a few miles below South Mills, elements of Col. Ambrose R. Wright's command delayed the Federals until dark.

Union forces later pushed Confederate units out of the coastal areas, which they occupied for the duration of the war.