| Walter Patterson | |
| State: | New York |
| District: | 5th |
| Term: | December 3, 1821 - March 3, 1823 |
| Preceded: | James Strong |
| Succeeded: | William W. Van Wyck |
| Birth Place: | Columbia County, New York |
| Death Place: | Philadelphia, Pennsylvania |
| Party: | Federalist |
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. At this time, he also managed the Ancram Iron Works.
He was elected as a Federalist to the 17th United States Congress, holding office from December 3, 1821, to March 3, 1823. Afterwards he removed to Livingston, New York and was Supervisor of the Town of Livingston from 1826 to 1828. He was an associate judge of the Columbia County Court from 1826 to 1830. He died in Philadelphia, Pennsylvania in 1852.