Mann Page III (1749–1803) was an American lawyer and planter from Spotsylvania County, Virginia. He was a delegate for Virginia to the Continental Congress. He was the half-brother of Virginia Governor John Page. Mann Page III was born in 1749 to Mann Page (II) and Ann Tayloe (his second wife) on their Rosewell Plantation in Gloucester County, Virginia. He attended the College of William and Mary. After graduating from college and qualifying for the bar, he moved to Spotsylvania and assumed the management of the family estate known as "Mannsfield" near Fredericksburg. The plantation was mostly destroyed during the Battle of Fredericksburg but a remnant remains on the battlefield. He married Mary Tayloe ( a cousin of his mother) and they had three children. Mann Page III served in the House of Burgesses and sat as a delegate in the Revolutionary Conventions. In 1776 he succeeded George Wythe as delegate to the Continental Congress. Throughout the Revolution he was a lieutenant colonel in the Spotsylvania co. militia and after the Revolution he was active in numerous organizations in Virginia. He died at home in 1803 and was buried in the family plot at Mannsfield. His portrait shown at right is by John Wollaston.