Randolph Manning (May 19, 1804 – August 31, 1864) was an American jurist and politician.
Born in Plainfield, New Jersey, Manning studied law in New York.
In 1832, he moved to Pontiac, Michigan Territory and practiced law.
Manning was a Democrat until 1854, when he became a Republican because of his opposition to slavery.
Manning served as Chancellor of the Michigan Court of Chancery 1842–1846.