LlanfachrethA settlement in Brithdir and Llanfachreth community, Gwynedd, Wales, historically in Merionethshire (OS grid ref SH7522).
LlanfaelogA village and community in the west of Anglesey, Wales (OS grid ref SH3373).
LlanfairA village and community in Gwynedd (OS grid ref SH5729)
LlanfairfechanA coastal town and community with a town council in Conwy borough, Wales, historically in Caernarvonshire (OS grid ref SH6875).
LlanfairpwllSynonym of Llanfairpwllgwyngyllgogerychwyrndrobwllllantysiliogogogoch.
LlanfairpwllgwyngyllgogerychwyrndrobwllllantysiliogogogochA village in Anglesey, Wales, United Kingdom, known for having the longest place name in Europe, and the longest English-language (albeit borrowed from Welsh) settlement name in the world.
LlanfalltegA small village in Henllanfallteg community, Carmarthenshire, Wales (OS grid ref SN1519).
LlanfarianA village and community in Ceredigion, Wales (OS grid ref SN5977).
LlanferresA village and community in Denbighshire, Wales (OS grid ref SJ1860).
LlanfoistA village in Llanfoist Fawr community, west of Abergavenny, Monmouthshire, Wales (OS grid ref SO2813).
LlanfrechfaA small village in Ponthir community, Torfaen borough county borough, Wales (OS grid ref ST3193).
LlanfrothenA hamlet and community in Gwynedd, Wales (OS grid ref SH6241).
LlanfyllinA small town and community with a town council in Powys, Wales; historically in Montgomeryshire (OS grid ref SJ1419).
LlanfynyddA village and community in Carmarthenshire, Wales (OS grid ref SN5527).
LlanfyrnachA small village in Crymych community, north-east Pembrokeshire, Wales (OS grid ref SN2231).
LlangadogA village and community in east Carmarthenshire, Wales (OS grid ref SN7028).
LlangamarchA community (civil parish) in Powys, Wales, which includes the village of Llangammarch Wells.
LlangattockA village and community in the south-east corner of Powys, Wales, historically in Breconshire (OS grid ref SO2117).
LlangedwynA village and community in the Tanat Valley, northern Powys, Wales, historically in Montgomeryshire (OS grid ref SJ1824).
LlangefniThe county town and community with a town council in Anglesey, Wales (OS grid ref SH4575).
LlangeinorA village in Garw Valley community, Bridgend borough county borough, Wales (OS grid ref SS9187).
LlangelerA small village and community in north-west Carmarthenshire, Wales (OS grid ref SN3739).
LlangelyninA coastal settlement and community in Gwynedd, Wales (OS grid ref SH5707).
LlangennechA village and community in Carmarthenshire, Wales (OS grid ref SN5601).
LlangennithA village on the Gower peninsula in Llangennith, Llanmadoc and Cheriton community, city and county of Swansea, Wales (OS grid ref SS4291).
LlanglydwenA small village in Llanboidy community, west Carmarthenshire, Wales (OS grid ref SN1826).
LlangoedA village and community (served by Llangoed and Penmon Community Council) in eastern Anglesey, Wales (OS grid ref SH6079).
LlangoedmorA settlement and community in Ceredigion, Wales (OS grid ref SN2045).
LlangollenA small town and community with a town council in Denbighshire, Wales (OS grid ref SJ2141).
LlangorsA village and community in southern Powys, Wales (OS grid ref SO1327).
LlangothlinA locality in the Armidale council area, north-eastern New South Wales, Australia.
LlangrannogA coastal village and community in Ceredigion, Wales (OS grid ref SN3154).
LlanguaA small village in Grosmont community, north Monmouthshire, Wales (OS grid ref SO3925).
LlangunlloA village in Powys, Wales (OS grid ref SO2171).
LlangurigA village and community on the River Wye in Powys, Wales, historically in Montgomeryshire (OS grid ref SN9079).
LlangwmA village and community in Conwy borough county borough, Wales (OS grid ref SH9644).
LlangwyllogA small village in Llanddyfnan community, Anglesey, Wales (OS grid ref SH4379).
LlangybiA village and community in Ceredigion (OS grid ref SN5353).
LlangyfelachA village and community in the city and county of Swansea, Wales (OS grid ref SS6498).
LlangyndeyrnA village and community in Carmarthenshire, Wales (OS grid ref SN4514).
LlangyniewA rural settlement and community in Powys, Wales, historically in Montgomeryshire (OS grid ref SJ1208).
LlangynogA village and community in Carmarthenshire, Wales (OS grid ref SN3316).
LlangynwydA village in Llangynwyd Middle community, Bridgend borough county borough, Wales (OS grid ref SS8588).
LlanharanA village and community in Rhondda Cynon Taf borough, Wales (OS grid ref ST0083).
LlanharryA village and community in Rhondda Cynon Taf borough county borough, Wales (OS grid ref ST0080).
LlanhennockA small village and former community, now merged with Llangybi community, Monmouthshire, Wales (OS grid ref ST3592).
LlanhillethA village and community (served by Abertillery & Llanhilleth Community Council) in Blaenau Gwent borough, Wales (OS grid ref SO2100).
LlanoverA village and former community in Monmouthshire, Wales; now part of a ward of Goetre Fawr community while most of the remainder of the community since 2022 is now in Gobion Fawr community (OS grid ref SO3108).
LlanpumsaintA village in Carmarthenshire, Wales (OS grid ref SN4129).