Putnam is a town in northern Washington County, New York, United States.

[7] The town was part of the Provincial Patent (1764) made to officer veterans of the French and Indian War while the region was in Charlotte County.

The Hiram Congdon House was listed on the National Register of Historic Places in 1997.

The eastern town boundary is defined by Lake Champlain and the border of Vermont.

The western town line is defined by Lake George and Warren County.

[2] Public education is provided by the Putnam Central School District, the borders of which are coterminous with the town's.