Assyrian Church may refer to:
- Chaldean Catholic Church, an Eastern Christian church founded by and composed of ethnic Assyrians entered into communion with Rome.
- Assyrian Church of the East, an Eastern Christian church.
- Ancient Church of the East, an Eastern Christian denomination founded in 1968
- Assyrian Evangelical Church, a Presbyterian church in the Middle East.
- Assyrian Pentecostal Church, a Reformed Eastern Christian denomination
- Russian Ecclesiastical Mission in Urmia, a Russian Orthodox mission to ethnic Assyrians.