First Unitarian Society usually designates a humanist Unitarian/Unitarian Universalist congregation, and may refer to:
First Unitarian Society, Minneapolis, established 1881, birthplace of religious humanism First Unitarian Society in Newton, Massachusetts (1906) First Unitarian Society Meetinghouse, Shorewood Hills, Madison, Wisconsin (1951), a National Historic Landmark and NRHP-listed
See also Unitarian Society (disambiguation) First Unitarian Church (disambiguation) List of Unitarian churches