Protestant Denominations
- Advent Christian Church
- Adventists
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- African Methodist Episcopal Zion Church
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- Anglican Communion
- Anglo-Catholic movement
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- Arminianism
- Assemblies of God
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- Bible Christians
- Bible societies
- Brethren
- Brethren in Christ
- Broad Church
- Brotherhood of the New Life
- Brownists
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- Calixtines
- Calvinism
- Calvinistic Methodist Church
- Camisards
- Campbellites
- Catholic Apostolic Church
- Christadelphians
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- Christian Church (Disciples of Christ)
- Christian Endeavor
- Christian Reformed Church
- Christian Science
- Christian socialism
- Christians
- Church of Christ, Scientist
- Church of England
- Church of the Brethren
- Church of the Nazarene
- Churches of Christ
- Churches of God, General Conference
- Community of Christ
- Confessing Church
- Congregationalism
- Covenanters
- Cumberland Presbyterian Church
- Diggers
- Disciples of Christ
- dissenters
- Doukhobors
- Dukhobors
- Dunkards
- Dunkers
- Dutch Reformed Church
- England, Church of
- Episcopal Church
- Episcopal Church, Reformed
- Ethical Culture movement
- Evangelical Alliance
- Evangelical and Reformed Church
- Evangelical Church
- Evangelical United Brethren Church
- Familists
- Fifth Monarchy Men
- Foursquare Gospel, International Church of the
- Free Church of Scotland
- Friends, Religious Society of
- fundamentalism
- German Baptist Brethren
- German Catholics
- German Reformed Church
- Gideons
- Glassites
- Harmony Society
- High Church
- Huguenots
- Hussites
- Hutterian Brethren
- Illuminati
- Independents
- Ireland, Church of
- Jehovah's Witnesses
- Latter Day Saints, Reorganized Church of Jesus Christ of
- Latter-day Saints, Church of Jesus Christ of
- Levelers
- Lollardry
- Low Church
- Lutheranism
- Mennonites
- Methodism
- Moral Re-Armament
- Moravian Church
- Mormons
- National Council of the Churches of Christ in the United States of America
- New Church
- New Jerusalem, Church of the
- New Thought
- nonconformists
- Oxford Group
- Oxford movement
- Peculiar People
- Pentecostalism
- People's Temple
- Pietism
- Plymouth Brethren
- Presbyterianism
- Protestant Episcopal Church
- Protestantism
- Puritanism
- Quakers
- quietism
- Racovian Catechism
- Ranters
- Reformation
- Reformed Church in America
- Reformed Church in the United States
- Reformed churches
- Reformed Episcopal Church
- Reformed Presbyterianism
- Remonstrants
- Renewed Church of the Brethren
- River Brethren
- Sabbatarians
- Salvation Army
- Scotland, Church of
- Scotland, Free Church of
- Second Adventists
- separatists
- Seventh-day Adventists
- Seventh-Day Baptists
- Shakers
- Social Gospel
- Socinianism
- Solemn League and Covenant
- South India, Church of
- Taborites
- Tractarian movement
- Tunkers
- Unitarian Universalist Association
- Unitarianism
- Unitas Fratrum
- United Brethren in Christ
- United Church of Canada
- United Church of Christ
- United Methodist Church
- United Presbyterian Church
- United Zion Church
- Unity
- Universalist Church of America
- Utraquists
- Vaudois
- Waldenses
- World Council of Churches
- Yorker Brethren
- Zionites
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