- See also changes related to Christianity, or pages that link to Christianity or to this page or whose text .
- Abraham : Biblical patriarch and founder of Abrahamic monotheism.
- God : Supreme, supernatural entity, often credited with omnipotence, omniscience and rulership of the universe.
- Jesus : Traveling preacher in first century CE, foundational figure in Christianity.
- Pope Benedict XVI : Former Pope of the Roman Catholic Church (2005-2013), formerly an academic theologian and Prefect of the Congregation of the Doctrine of the Faith, now known as Pope emeritus (born 1925).
- Paul of Tarsus : First century Christian leader and proselytizer, self declared 'Apostle to the Gentiles', noted for his epistles (letters).
- Anglicanism : the religious tradition of the Church of England and the other autonomous members of the Anglican Communion.
- Catholicism : 1. A large group of Christian denominations which view themselves as being in historical and doctrinal continuity with Catholic Christianity as it existed before the Great Schisms that separated the church universal into different communions. It is taken from the word catholic, used in the sense of universal, or all-embracing. 2. Adherence, membership or affiliation with the Roman Catholic Church. To use the term "Catholic" to describe only Roman Catholics is standard among many, but may offend Christians of other denominations who also view themselves as "Catholic", such as many Anglicans, Orthodox Christians and High Lutherans.
- The Church of Jesus Christ of Latter-day Saints : A restorationist Christian denomination founded in 1830 by Joseph Smith, Jr. and currently headquartered in Salt Lake City, Utah.
- Eastern Orthodox Church : Those Christians who are in communion with the Ecumenical Patriarchate of Constantinople.
- 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.
- Pentecostalism : A Christian Evangelical movement, mostly Protestant, that emphasizes speaking in tongues, divine healing and baptism of the Holy Spirit.
- Protestantism : The branch of Christianity that separated from the Roman Catholic Church during the Reformation of the 16th century.
- Seventh-day Adventist Church : A Christian denomination founded the in mid-19th-century U.S., whose key beliefs include the seventh-day Sabbath, baptism by immersion, and a physical coming of Christ.
- Papacy : Head of the Roman Catholic Church.
- Reformation : The major religious revolution in Western Europe in the 16th century, led by Martin Luther, John Calvin and other Protestants.
- Thomas Aquinas : (1225–1274) Catholic theologian and philosopher, author of Summa Theologica, a bedrock of Catholic thought and teaching.
- : Preeminent Christian philosopher and theologian, influential in the development of the Western Church and widely recognised as a saint.
- Death of God theology : Theological movement based on Nietzsche's proclamation that "God is dead".
- Judaism : Monotheistic religion of the Jewish people based on the Torah.
- Liberation theology : Movement in Catholic theology that seeks liberation for the poor.
- Nicene Creed : A statement derived from the Christian Scriptures defining the basic beliefs of the Church.
- Scholasticism : Add brief definition or description
- Systematic theology : The thematic and integrated arrangement of key topics within theology and Scripture.
- Theology : Discipline that engages in dialogue and reflection about God and religion.
- Trinitarianism : The belief within Christianity that God is one essence and three distinct persons - the Father, Son, and the Holy Spirit.
The Christian Calendar
- Advent : The first season of the Christian year that lasts for four weeks and is marked by preparations for the celebration of Christmas.
- Christmas : Winter holiday beginning on 25th December; originated as a pagan festival but was adopted by early Christians to observe the birth of Jesus, and today is a major international event regardless of religious background.
- : Christian feast commemorating the visit of the magi to the infant Jesus. It marks the end of Christmastide.
- Lent : The period of penitence through which Christians prepare for the observance of Jesus Christ's death and resurrection.
- Easter : The Christian festival celebrating the Resurrection of Jesus Christ.
- Pentecost : The Christian festival which commemorates the descent of the Holy Spirit onto Christ's apostles.
- The Bible : The Old and New Testaments (in Christianity) or just the Tanakh or Hebrew Bible (in Judaism).
- Biblical archaeology : Add brief definition or description
- Christian broadcasting : Add brief definition or description
- Christian fundamentalism : Add brief definition or description
- Heresy : A deviation from a religious orthodoxy.
- Host desecration : Add brief definition or description