Dyfan (disambiguation)
# Dyfan (disambiguation)

Saint Dyfan was an obscure Welsh martyr and saint.

Dyfan may also refer to:

* Saint Deruvian, who is often mistakenly conflated with St Dyfan
* Merthyr Dyfan (Welsh for "martyrium of Dyfan"), a community and parish in southeastern Wales
* Dyfan, an electoral ward in the south Wales town of Barry
* Dyfan, Bishop of Bangor in northern Wales
