Place
- Kilkeel, Down1
- Killean, Clare1
- Komagfiord, Finnarkan Norway1
- Komaon, India1
- L'Isle Longue, Brittany1
- La Tourelle, Quimper, Brittany1
- Langbank Crannog, Renfr1
- Leganannay Cromlech, Down1
- Lewis, the Hebrides1
- Llanbedr, Merionethshire1
- Llanboidy, Carmarthenshire1
- Llanddaniel Fab, Anglesey[remove]1
- Llanfaelog, Anglesey1
- Llanfaethlu, Anglesey1
- Llanhamlach, Brecknockshire1
- Llanrhaiader ym Mochnant, Denbighshire1
- Llansamlet, Glamorganshire1
- Llantwit Major, Glamorganshire1
- Locmariaquer, Brittany1
- Loughinisland, Down1