Orthodox in Christianity may refer to: Correct belief such as Trinitarian, Ancient, and/or Creedal Christian Theology Eastern Christianity, referring collectively to the Eastern Christian churches and their religious traditions Eastern Orthodoxy, the Ancient communion of Eastern Christian Churches, historically of eastern Europe and parts of Asia, that recognize the Council of Chalcedon and the other the first seven ecumenical councils Lutheran Orthodoxy, the early form of Lutheranism, prior… (More on Orthodox)