Llwchwr is a community and (from 2022) electoral ward in the central western part of the City and County of Swansea, Wales, UK. It lies 9 km (5.6 miles) west-north-west of Swansea city centre and is bounded by the communities of Gorseinon to the north, Penllergaer to the east, and Gowerton to the south, as well as by the estuary of the River Loughor to the west, on the far side of which lies Bynea in Carmarthenshire, connected to Llwchwr by road and rail bridges.
The population of Llwchwr, as recorded at the 2011 census, was 9,134.[1]
The community is home to Garden Village FC of the Welsh Football League, Carmarthenshire League Division 2 outfit Loughor Rovers, and Loughor RFC who play in ASDA Nation League Division 1 West.
The community of Llwchwr, together with that of Gorseinon, is twinned with Ploërmel in France.[1]