Old Stone House Library, also known as the Shipman-Swift House, is a historic library building located at Fort Ann, Washington County, New York.

It is a two-story, five-bay, Potsdam sandstone building with a small frame rear ell.

The building has Federal and Greek Revival style design elements.

The building was purchased and donated to the community by George Owen Knapp (1855-1945).

This article about a historic property or district in Washington County, New York, that is listed on the National Register of Historic Places, is a stub.