- See also changes related to Protestantism, or pages that link to Protestantism or to this page or whose text .
- Christianity : The largest world religion, which centers around the worship of one God, his son Jesus Christ, and his Holy Spirit.
- Counter-Reformation : Add brief definition or description
- Reformation : The major religious revolution in Western Europe in the 16th century, led by Martin Luther, John Calvin and other Protestants.
- Religion : Belief in, and systems of, worshipful dedication to a superhuman power or belief in the ultimate nature of existence.
- Theology : Discipline that engages in dialogue and reflection about God and religion.
- Anglicanism : the religious tradition of the Church of England and the other autonomous members of the Anglican Communion.
- Baptist Church : A group of Protestant churches, associations, and denominations that emphasize believer's baptism and congregational polity.
- Karl Barth : German Protestant theologian, author of Church Dogmatics and founder of Neo-Orthodoxy.
- John Calvin : A French Protestant theologian during the Protestant Reformation.
- Calvinism : An approach to doctrine and church government based on Calvinism as expressed in Reformed confessions.
- Church of England : the religious tradition of the Church of England and the other autonomous members of the Anglican Communion.
- Church of Norway : The state church of Norway; Evangelical-Lutheran.
- Church of Scotland : The national church of Scotland (Presbyterian), founded in the mid-16th century by John Knox as part of the Scottish Reformation.
- Creationism : The belief that the world and the universe were created by God.
- Evangelicalism : A historically recent collection of religious beliefs, practices, and traditions typified by an emphasis on evangelism, and by what adherents call a "personal experience" of conversion.
- Martin Luther : German theologian and monk (1483-1546); led the Reformation; believed that salvation is granted on the basis of faith rather than deeds.
- Lutheranism : Protestant branch of Christianity, created in the Reformation of the 16th century out of the teachings of German theologian Martin Luther.
- Pentecostalism : A Christian Evangelical movement, mostly Protestant, that emphasizes speaking in tongues, divine healing and baptism of the Holy Spirit.
- Pietism : A Protestant reform movement originating in 17th century Lutheranism with an emphasis on the practical and relational aspects of the Christian life.
- Quakers : Protestant denomination founded among English Puritans in the 17th century by George Fox and characterized by pacifism and the belief that Christ works directly in the soul of the believer; known formally as the Religious Society of Friends.
- Reformed theology : An approach to doctrine and church government based on Calvinism as expressed in Reformed confessions.
- Friedrich Schleiermacher : (1768 – 1834) One of the most influential Protestant theologians in the history of Christianity.
- Unitarianism : A theology of God which insists that there is only one divine person, one of the tenets of the Unitarian Universalist Association
- Enlightenment : In religion, the point at which an aspirant breaks through the barrier of temporal existence and has a direct experience of God. In history, the enlightenment was a philosophical movement of the 18th century that advocated the use of reason as the basis for belief.