John Manning Jr. (July 30, 1830 – February 12, 1899) was a North Carolina politician who briefly served in the United States House of Representatives in 1870 and 1871.

He graduated from the University of North Carolina at Chapel Hill in 1850; studied law; was admitted to the bar in 1853 and commenced practice in Pittsboro.

Manning was a delegate to the state convention in 1861 which seceded from the union, and then served in the North Carolina Volunteers throughout the American Civil War.

He was elected over Joseph W. Holden on November 26, 1870 as a Democrat (then called "Conservative" in North Carolina) to the Forty-first Congress to fill the vacancy caused by the resignation of John T.

He became a professor of law at his alma mater, the University of North Carolina, and was also a member of its board of trustees from 1881 to 1899.