Apostolic (Greek Ἀποστολικὴν) is the fourth mark of the Church, the others being "One", "Holy" and "Catholic", contained in the Nicene Creed, which is an exposition of faith accepted by most self-identifying Christian sects (see Nicene Christianity).

Apostolic may refer to; An Apostle meaning one sent on a mission

  • The Twelve Apostles of Jesus, or something related to them, such as the Church of the Holy Apostles
  • Apostolic succession, the doctrine connecting the Christian Church to the original Twelve Apostles
  • The Apostolic Fathers, the earliest generation of post-Biblical Christian writers
  • The Apostolic Age, the period of Christian history when Jesus' apostles were living
  • The Apostolic Constitutions, part of the Ante-Nicene Fathers collection.

Specific to the Roman Catholic Church:

  • Apostolic Administrator, appointed by the Pope to an apostolic administration or a diocese without a bishop
  • Apostolic Camera, or "Apostolic Chamber", former department of finance for Papal administration
  • Chancery of Apostolic Briefs, a historical office charged with preparation of Papal correspondence
  • Apostolic constitution, a public decree issued by the Pope
  • Apostolic Palace, the residence of the Pope in Vatican City
  • Apostolic prefect, the head of a mission of the Roman Catholic Church
  • An Apostolic See is any episcopal see whose foundation is attributed to one or more of the Apostles.
  • Apostolic vicariate, a territorial jurisdiction of the Roman Catholic Church

Other churches and religious movements:

  • Church of Our Lord Jesus Christ of the Apostolic Faith, an apostolic organization based in the United States
  • Apostolic Catholic Church, a church based in the Philippines
  • Armenian Apostolic Church, also known as the Armenian Orthodox Church, the national church of Armenia
  • Apostolic Brethren, a 13th-century sect in northern Italy
  • Apostolic Christian Church, an anabaptist branch of Christianity
  • Apostolic Church (denomination), an Evangelical Pentecostal denomination founded in 1916 in the United Kingdom
  • Catholic Apostolic Church, a millenarian religious community, related to the Irvingism movement
  • International Circle of Faith
  • New Apostolic Church, a chiliastic church
  • Oneness Pentecostalism, also known as Apostolic Pentecostalism, a form of Pentecostal Christianity that is non-trinitarian in theology
  • Primitive Apostolic Christianity (Sabbatarian)

Other uses:

  • Apostolic poverty, a doctrine professed in the 13th century by certain religious orders
  • Apostolic King, hereditary title of the King of Hungary