Waunfawr (English: large moorland/heathland) is a large village and community on the outskirts of the Snowdonia National Park, Gwynedd, in Wales, south of Llanrug. The community had a population of 1,427 at the 2011 census. The ward had a population of 1,676 at the 2011 census, and includes Caethro near Caernarfon.