||Look up orthodox in Wiktionary, the free dictionary.
The term Orthodox or Orthodoxy may refer to:
- Orthodoxy is adherence to accepted norms, more specifically to creeds, especially in Christianity and Judaism as examples
- Eastern Orthodox Church, a Christian church that accepts seven Ecumenical Councils
- Oriental Orthodoxy, a Christian communion that accepts three Ecumenical Councils
- Communion of the Western Orthodox Churches, a family of Christian churches that accept the first three Ecumenical Councils, as well as the doctrinal declarations of the following four councils
- Paleo-orthodoxy, a movement in Christianity aimed at upholding the historic teachings of the Church
- Neo-orthodoxy, a theological position also known as dialectical theology
- Radical Orthodoxy, a theological position associated with postmodernism
- Lutheran Orthodoxy, was an era in the history of Lutheranism, which began in 1580 from the writing of the Book of Concord and ended at the Age of Enlightenment.
- Orthodox Judaism, a branch of Judaism
- Orthodox Islam, a term for strict Sunni Islam and Shia Islam
- Orthodox Hinduism, a term for Sanātanī
- Orthodox Bahá'í Faith, a small Baha'i denomination