- Unitarian Universalist Association (USA)
- Unitarian and Free Christian Churches Home Page (UK)
- Canadian Unitarian Council CUC (Canada)
- Church of the Larger Fellowship (worldwide): "CLF's mission is to provide a ministry to isolated religious liberals, and to offer a spiritual home within the Unitarian Universalist movement."
UU Christians
UU Pagans
UU Humanists
Miscellaneous
- Famous UUs
- Ralph Waldo Emerson
- Henry David Thoreau
- William Ellery Channing Web Center
- UNITARIAN UNIVERSALIST HISTORICAL SOCIETY
- International Association for Religious Freedom The IARF was founded in 1900 as The International Council of Unitarians and other Liberal Religious Thinkers and Workers. Today it is an international and inter-faith forum, embracing both liberal Christians and those with roots in liberal Protestant traditions and more recently liberals from non-Christian backgrounds as well. ("A Liberal Religious Heritage")