St Teilo's Church may refer to:
in Wales St Teilo's Church, Bishopston, Swansea St Teilo's Church, Llandeilo, Carmarthenshire St Teilo's Church, Llandeilo Tal-y-bont, now reconstructed at St Fagans National History Museum, Cardiff St Teilo's Church, Llandeloy, Pembrokeshire St Teilo's Church, Llantilio Crossenny, Monmouthshire St Teilo's Church, Llantilio Pertholey, Monmouthshire St Teilo's Church, Merthyr Mawr, Bridgend