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

Syriac Orthodox Church, an Eastern Christian church

Syriac Catholic Church, an Eastern Christian church

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