- Lairg
- Lamlash
- Lampeter
- Lanark
- Lancashire
- Lancaster
- Lancing
- Langholm
- Langley Moor
- Langport
- Larbert
- Largs
- Larkhall
- Larne
- Lasswade
- Latheron
- Lauder
- Launceston
- Laurencekirk
- Leamington Spa
- Leatherhead
- Lechlade
- Ledbury
- Lee-on-the-Solent
- Leeds
- Leek
- Leicester
- Leigh
- Leigh-on-Sea
- Leighton Buzzard
- Leiston
- Leominster
- Lerwick
- Letchworth
- Letchworth Garden City
- Leven
- Lewes
- Lewisham
- Leyburn
- Leyland
- Lichfield
- Lifton
- Lightwater
- Limavady
- Lincoln
- Lingfield
- Linlithgow
- Liphook
- Lisburn
- Liskeard
- Liss
- Little Hulton
- Littleborough
- Littlehampton
- Liverpool
- Liverpool
- Liversedge
- Livingston
- Llanarth
- Llanbedr
- Llanbedrgoch
- Llanbrynmair
- Llandeilo
- Llandinam
- Llandovery
- Llandrindod Wells
- Llandudno
- Llandudno Junction
- Llandysul
- Llanelli
- Llanerchymedd
- Llanfairfechan
- Llanfairpwllgwyngyll
- Llanfechain
- Llanfyllin
- Llanfyrnach
- Llangadog
- Llangammarch Wells
- Llangefni
- Llangollen
- Llanidloes
- Llanon
- Llanrhystud
- Llanrwst
- Llansantffraid
- Llantwit Fardre
- Llantwit Major
- Llanwrda
- Llanwrtyd Wells
- Llanybydder
- Llanymynech
- Llwyngwril
- Loanhead
- Lochailort
- Lochearnhead
- Lochgelly
- Lochgilphead
- Lochs
- Lochwinnoch