Llandybie (Welsh: Llandybïe [ˌɬandəˈbiːɛ] (listen), "Saint Tybie's church") is a community which includes a large village of the same name situated two miles north of Ammanford in Carmarthenshire, Wales.
According to the United Kingdom Census 2001, Llandybie village itself is home to a population of 3,800, while the community – which also includes the villages of Blaenau, Carmarthenshire, Caerbryn, Capel Hendre, Cwmgwili, Pentregwenlais, Penybanc, Pen-y-groes, and Saron – has 8,800 inhabitants, increasing to 10,994 at the 2011 census.
The village is served by Llandybie railway station on the Heart of Wales Line and the A483 road which is the main road. Llandybie Community Primary School is located in the north-easterly fringe of the village.
- "Community population 2011". Retrieved 15 April 2015.