Fort Ann is a village in Washington County, New York, United States.

Old Stone House Library was added to the National Register of Historic Places in 2012.

[4] According to the United States Census Bureau, the village has a total area of 0.3 square miles (0.78 km2), all land.

Fort Ann is located adjacent to the town lines of Kingsbury and Hartford.

In addition to U.S. 4 and NY 149, County Road 4 enters the village.

23.5% of all households were made up of individuals, and 11.2% had someone living alone who was 65 years of age or older.