Margaret Reaney Memorial Library

Margaret Reaney Memorial Library is a historic library building located at St. Johnsville, Montgomery County, New York. It is a one-story, Classical Revival style brick building over a raised basement. It consists of a cruciform plan main block constructed in 1909, and a 1936 "T"-plan addition. The front facade features a projecting entrance portico. The building is placed in the contributing Village Memorial Park with a Soldiers Monument (1937) and a Bronze Sculpture (1898) by Roland Hinton Perry (1870-1941).

It was added to the National Register of Historic Places in 2012.