Orthodox Church may refer to:
- Eastern Orthodox Church, the second-largest Christian church in the world
- Oriental Orthodox Churches, a branch of Eastern Christianity
- Orthodox Presbyterian Church, a confessional Presbyterian denomination located primarily in the United States
- Orthodox Presbyterian Church of New Zealand, a denomination formed in the 1960s led by George Mackenzie
- State church of the Roman Empire, Roman Empire's state religion after 380 CE
- True Orthodox church, a movement within Eastern Orthodox Christianity
See also
- Eastern Orthodoxy
- Eastern Christianity
- Neo-orthodoxy
- Catholic Church (disambiguation)
- Orthodox (disambiguation)
- Orthodox calendar (disambiguation)
- Orthodox Communion (disambiguation)
- Orthodoxy by country (disambiguation)
- Orthodox Catholic Church (disambiguation)
- Greek Orthodox Church (disambiguation)
This disambiguation page lists articles associated with the title Orthodox Church.If an internal link led you here, you may wish to change the link to point directly to the intended article. Category: