John C. Mather (New York politician)

For other people named John Mather, see John Mather (disambiguation).
For the cosmologist, see John C. Mather.

John Cotton Mather (November 30, 1813 in Deposit, Delaware County, New York – August 13, 1882 in Watertown, Jefferson County, New York) was an American politician. In 1853, he was the first person tried by the New York Court for the Trial of Impeachments.