Llanfair

• Llanfair Clydogau; a small village in Mid Wales
• Llanfair, Gwynedd, a village in the Ardudwy area of Gwynedd
• Llanfair-is-gaer, a former parish in Arfon, Gwynedd
• Llanfair, Vale of Glamorgan, a community near Cowbridge
• Llanfair Caereinion, Powys; a small town in east central Wales
• Llanfairpwllgwyngyll, Anglesey; a village and community on the island of Anglesey in Wales
• Llanfair-Nant-Gwyn, hamlet in Pembrokeshire
• Llanfair Dyffryn Clwyd, a village and community in Denbighshire, Wales
• Llanfair, Alabama, USA

• Llanfair (One Life to Live), the Lord family mansion on the American soap opera One Life to Live

• "Llanfair", a popular Welsh hymn tune; see "Christ the Lord Is Risen Today"

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