The First Unitarian Church is a historic church at 7 Park Street in Peabody, Massachusetts. The wood frame church was built in 1826, when the area was known as South Danvers. The front facade has a projecting rounded entrance hall decorated with pilasters and a heavily bracketed cornice. The main part of the facade also has pilasters rising to a pedimented gable that has large-scale dentil molding. The side walls have six lancet-style windows. The tower, which lacks a steeple, has quoined corners, and molding on the cornice of its roofline that matches that of the main roof.