Llwyncelyn is a Welsh place name. It may refer to:

• Llwyncelyn, Ceredigion
• Llwyncelyn, Rhondda Cynon Taf
• Llwyn-celyn Farmhouse, Llanvihangel Crucorney, a Grade I-listed building in Monmouthshire
• Llwyn-celyn farmhouse, Shirenewton, a Grade II-listed building in Monmouthshire
• Llwyn Celyn Fault, a geological fault
• Llwyn y Celyn Wetland, a Site of Special Scientific Interest in Monmouthshire

• Llyn Celyn

Topics referred to by the same term

This disambiguation page lists articles about distinct geographical locations with the same name.
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