Russell Errett (November 10, 1817 – April 7, 1891) was a Republican member of the U.S. House of Representatives from Pennsylvania.

During the American Civil War, Errett was appointed additional paymaster in the United States Army in 1861 and served until mustered out in 1866.

He served as chairman of the United States House Committee on Expenditures on Public Buildings during the 47th Congress.

He was appointed by President Chester A. Arthur as United States pension agent at Pittsburgh in 1883 and served in this capacity until May 1887.

[1] Russell's younger brother Isaac Errett was the founding editor of the Christian Standard and a figure in the American Restoration Movement.