Efailnewydd is a village on the Llŷn Peninsula in the Welsh county of Gwynedd. It lies 1.2 miles (2 km) north west of the market town of Pwllheli. The village forms part of the community of Llannor along with the villages of Y Ffor, Abererch and Rhos-fawr. The wards population was 1,275. and includes the community of Buan.