Carnegie Library (Montclair, New Jersey)

The Carnegie Library is located on Church Street at the corner of Valley Road in the township of Montclair in Essex County, New Jersey, United States. The building was built in 1904 and was added to the National Register of Historic Places on July 1, 1988, for its significance in architecture. It was listed in the Public Buildings section of the Historic Resources of Montclair Multiple Property Submission (MPS).

The library was designed by California architect John G. Howard with an eclectic mix of Bungalow and Prairie School architectural styles. The building is now used by the Unitarian Universalist Congregation at Montclair.