Llangelynnin
（重定向自Llangelynin）
![Llangelynnin Church, the main porch](/Images/godic/202501/24/St_Celynnin_church_-_geograph.org.uk_-_1971120932.jpg")
![A view from the south-east, by the gate](/Images/godic/202501/24/Llangelynnin_church_and_porch0932.jpg")
![Llangelynnin Church, from outside the walled churchyard](/Images/godic/202501/24/Llangelynnin_Church_and_churchyard0932.jpg")
![The walled Holy Well, with stone bench visible on the left](/Images/godic/202501/24/Llangelynnin_holy_well0932.jpg")
- For the village and ancient church of the same name near Fairbourne in the neighbouring county of Gwynedd, see Llangelynnin, Gwynedd.
Llangelynnin (Welsh for The church of Celynnin) is a former parish in the Conwy valley, in Conwy county borough, north Wales. Today the name exists only in connection with the church, a school in the nearby village of Henryd, and the nearby mountain ridge, Craig Celynnin.