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.