A Christian denomination is a distinct religious body within Christianity, identified by traits such as a name, organization and doctrine. Individual bodies, however, may use alternative terms to describe themselves, such as

Some bodies included on this list do not consider themselves denominations. For example, the Catholic Church considers itself the one true church and the Holy See as pre-denominational.

The Church of the East split from the Roman-recognized state church of Rome during the Sasanian Period. It is also called the Nestorian Church or the Church of Persia. Declaring itself

The Eastern Orthodox Church, officially the Orthodox Catholic Church, claims continuity (based upon apostolic succession) with the early Church as part of the

The following are groups of Christians appearing between the First Council of Nicaea, the East-West Schism and proto-Protestantism.
• Agonoclita
• Apostolic Brethren
• Arnoldists

The Oriental Orthodox Churches are the Christian churches adhering to Miaphysite christology and theology, with a combined global membership of 62 million as of 2019 . These churches

The Catholic Church, or Roman Catholic Church, is composed of 24 autonomous sui iuris particular churches: the Latin Church and the 23 Eastern Catholic Churches.