Walter Patterson (died November 5, 1852) was an American politician from New York.
Patterson was born in Columbia County, New York, where he completed preparatory studies.
He was a member of the New York State Assembly in 1818, and was Supervisor of the Town of Ancram in 1821 and 1823.
He was elected as a Federalist to the 17th United States Congress, holding office from December 3, 1821, to March 3, 1823.
He was an associate judge of the Columbia County Court from 1826 to 1830.