Bayvil (Welsh: Y Beifil) is a hamlet and parish in Pembrokeshire, Wales. It is situated in the north of the county, 5 kilometres (3.1 mi) east of Newport. It is in the Pembrokeshire Coast National Park. The parish includes most of the village of Felindre Farchog. Together with the parishes of Monington, Moylgrove and most of Nevern, it constitutes the community of Nevern.