Orthodox

The term Orthodox, Orthodoxy, or Orthodoxism may refer to:

Religion

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 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
Western Rite Orthodoxy, referring to theology, traditions, institutions and communities of Western-Rite Orthodox Churches
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, 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
Kemetic Orthodoxy, a Kemetic (Neo-Egyptian pagan) religion that meant be reforming ancient Egyptian religion into modern setting

Left-arm orthodox spin, a bowling technique in cricket
Orthodox (album), 2013, by American rock band Beware of Darkness
Orthodox (Jordan), Jordanian basketball club
Orthodox File Managers, a user interface to work with file systems
Orthodox Marxism, the dominant form of Marxist philosophy between the death of Karl Marx and the beginning of World War I
Orthodox seed, a seed which may be preserved via drying or freezing
Orthodox stance, a way of positioning the feet and hands in combat sports