Orthodox schism

Orthodox schism is one of the names of the 2018 Moscow–Constantinople schism (the latter is also called the Orthodox Church schism)

Orthodox schism may also refer to:

In the Eastern Orthodox Church

 * One of three schisms between the Churches of Moscow and Constantinople (of which is the 2018 Moscow–Constantinople schism)
 * The Raskol, the splitting of the Russian Orthodox Church into an official church and the Old Believers movements in the mid-17th century
 * One of three schisms between the Church of Rome and the Church of Constantinople
 * The union accomplished at the Council of Florence of the Patriarchate of Constantinople to the Catholic Church

In the Oriental Orthodox Churches

 * Schisms within the Malankara Church
 * The 1991–2018 schism within the Ethiopian Orthodox Tewahedo Church