Unitarian church
- All Souls Church, Unitarian (Washington, D.C.)
- All Souls Unitarian Church (Tulsa, Oklahoma)
- American Unitarian Association
- Billingshurst Unitarian Chapel
- Brighton Unitarian Church
- Canadian Unitarian Council
- First Unitarian Church (disambiguation)
- Free Christians (Britain)
- General Assembly of Unitarian and Free Christian Churches
- List of Unitarian, Universalist, and Unitarian Universalist churches
- Mount Vernon Unitarian Church
- Newington Green Unitarian Church
- Non-subscribing Presbyterian Church of Ireland
- Rivington Unitarian Chapel
- Rosslyn Hill Unitarian Chapel
- Todmorden Unitarian Church
- Toxteth Unitarian Chapel
- Unitarian Chapel, Liverpool
- Unitarian Church (Burlington, Vermont)
- Unitarian Church (Hampton Falls, New Hampshire)
- Unitarian Church in Charleston
- Unitarian Church in Summit
- Unitarian Church of All Souls
- Unitarian Church of Transylvania
- Unitarian Meeting House, Ipswich
- Unitarian Memorial Church
- Unitarian Universalism
- Unitarian Universalist Association
- Unitarianism
- United and uniting churches
- York Unitarian Chapel