Thomas Courtland Manning (September 14, 1825 Edenton, North Carolina – October 11, 1887, New York City)[1] was an American jurist and diplomat.

He was graduated at the University of North Carolina, admitted to the bar, and practiced for a time in his native town.

In 1864 he was appointed an associate justice of the Supreme Court of Louisiana, and served until the close of the civil war.

In January, 1877, he was appointed Chief Justice of the Supreme Court, serving until 1880,[3][4] when the adoption of a new constitution displaced the whole state government.

[3][4] He was then appointed by President Grover Cleveland as United States minister to Mexico, which office he filled until his death.