The Barron Library is a historic building located at 582 Rahway Avenue in Woodbridge Township, Middlesex County, New Jersey.

[4] It was added to the National Register of Historic Places on November 11, 1977, for its significance in architecture and education.

[5] Thomas Barron (1790–1875) funded the construction of the building in his will.

The brownstone building was designed by architect J. Cleaveland Cady in the Richardsonian Romanesque style and features a three-story clock tower.

The fireplace in the Reading Room is bordered with blue and white Delft tiles, each depicting a biblical scene.