Llanelli is a town in Wales.
Llanelli may also refer to:
Places Llanelli (UK Parliament constituency), a constituency of the House of Commons of the Parliament of the United Kingdom Llanelli (Senedd constituency), a constituency of the Senedd Llanelli Rural, a community in Carmarthenshire, Wales Llanelli (district), a former local government district in Wales
Other Llanelli RFC, the Welsh town's rugby union club, now feeder to and owner of the Scarlets regional side Llanelli A.F.C., a former Welsh football club
See also Llanelly, a village and its respective parish