Morfa Nefyn (Welsh pronunciationⓘ) is a village on the northern coast of the Llŷn Peninsula in Gwynedd, Wales.

The neighbouring town of Nefyn has more in the way of shops and services, and Pwllheli is 7 miles (11 km) on the A497 road.

To the west is the fishing hamlet of Porthdinllaen with a pub, the Tŷ Coch Inn, at the top of the beach.

According to the United Kingdom Census 2021, 72.3 per cent of all usual residents aged 3+ in Morfa Nefyn can speak Welsh.

[2] The 2011 census noted 72.0 per cent of all usual residents aged 3 years and older in the village could speak Welsh.