- Lambeth
- Lancaster
- Larne
- Leatherhead
- Leeds
- Leeming
- Leicester
- Leigh
- Leighton-Linslade
- Leighton Buzzard
- Leith
- Lerwick
- Letchworth
- Leuchars
- Lewisham
- Leyland
- Lichfield
- Lincoln
- Lisburn
- Littlehampton
- Liverpool
- Livingston
- Llandrindod Wells
- Llandudno
- Llanelli
- Llangadog
- Llangoed
- Llanidloes
- Llanwrtyd Wells
- Locks Heath
- London
- Londonderry
- Long Eaton
- Loughborough
- Loughton
- Lowestoft
- Lulworth
- Lurgan
- Luton
- Lyneham
- Lynmouth
