Penllyn
Penllyn may refer to the following places:
United States[edit]
- Penllyn, a village in Lower Gwynedd Township, Montgomery County, Pennsylvania
Wales[edit]
- Penllyn, Gwynedd, a former civil parish in Gwynedd (1894–1974)
- Penllyn, Vale of Glamorgan, a village and community in the Vale of Glamorgan
- Penllyn (cantref), an ancient cantref of Gwynedd
See also[edit]
- Penllyn railway station (disambiguation)
- Pen-Llyn, Anglesey
- Llŷn Peninsula, Gwynedd, known in Welsh as Pen Llŷn