Peter Fossett (June 6, 1815 – January 1901) was an enslaved laborer at Monticello, Thomas Jefferson's plantation, who after he attained his freedom in the mid-1800s, settled in Cincinnati where he established himself as a minister and caterer. He was a captain in the Black Brigade of Cincinnati during the Civil War. Fossett was an activist for education and prison reform. He was a conductor on the Underground Railroad. His remembrances, Once the slave of Thomas Jefferson, were published in 1898.