The Church Street Historic District is a national historic district located in the village of Saranac Lake (Harrietstown) in Franklin County, New York. The district extends roughly along Church Street from Main Street to St. Bernard Street. It comprises twenty-seven buildings, including three churches, a medical laboratory, ten homes, two libraries, and six cure cottages, most built between the late 1870s and 1900. It was listed on the National Register of Historic Places in 1992.