St Illtyd's Church
- Church of St Illtyd, Caldey Island
- Church of St Illtyd, Llanelltyd
- Church of St Illtyd, Mamhilad
- Church of St Illtyd, Pembry
- Church of St Illtyd, Penrice
- Church of St Illtyd, St Gwynno and St Dyfodwg
- Church of St Rhidian and St Illtyd, Llanrhidian
- Illtud
- St Illtyd
- St Illtyd's Church, Llanhilleth
- St Illtyd's Church, Llantrithyd
- St Illtyd's Church, Llantwit Major
- St Illtyd's Church, Oxwich