Llannor is a village, parish and community located on the Llŷn Peninsula in the Welsh county of Gwynedd. It lies 1.7 miles (2.8 km) north of Pwllheli and 18.0 miles (29.0 km) south west of Caernarfon. The community includes the villages of Abererch, Efailnewydd and Rhos-fawr, and had a population of 2,244 in 2010, reducing slightly to 2,145 at the 2011 Census.