James Blackstone Memorial Library is a public library located in Branford, Connecticut. It is commonly referred to as the Blackstone Library or the Branford Library. The library was commissioned by Timothy Blackstone as a memorial to his father, James Blackstone. It was designed by Chicago architect Solon Spencer Beman. Construction on the building began in 1893 and was completed in 1896. The building was dedicated on June 17, 1896.

Branford is a shoreline town located on Long Island Sound in New Haven County, Connecticut, United States, about 6 miles (10 km) east of downtown New Haven. The town is part of the South Central Connecticut Planning Region. Branford borders East Haven to the west, Guilford to the east, and North Branford to the north. The population was 28,273 in the 2020 census.