| Town Name | District | Unitary Authority | County | Population | Area Size (Ha) | |
|---|---|---|---|---|---|---|
| Laughton | West Lindsey | - | Lincolnshire | 309 | - | Map |
| Laughton | Wealden | - | Sussex | 559 | - | Map |
| Laughton | Rotherham | - | Yorkshire | - | - | Map |
| Launceston | North Cornwall | - | Cornwall | 6261 | 231 | Map |
| Launton | Cherwell | - | Oxfordshire | 1117 | - | Map |
| Lavant | Chichester | - | Sussex | 1586 | - | Map |
| Lavendon | - | Milton Keynes | Buckinghamshire | 1269 | - | Map |
| Lavenham | Babergh | - | Suffolk | 1247 | 45 | Map |
| Laverstoke | Basingstoke and Deane | - | Hampshire | 435 | - | Map |
| Laverton | Harrogate | - | Yorkshire | 265 | - | Map |
| Lavington | Kennet | - | Wiltshire | 1774 | 54 | Map |
| Lawbitton | North Cornwall | - | Cornwall | 270 | - | Map |
| Lawford | Tendring | - | Essex | 4476 | - | Map |
| Lawley Bank | - | Telford and Wrekin | Shropshire | - | - | Map |
| Lawshall | Babergh | - | Suffolk | 935 | - | Map |
| Laxey | - | - | Isle of Man | - | - | Map |
| Laxfield | Mid Suffolk | - | Suffolk | 872 | - | Map |
| Laxton | East Northamptonshire | - | Northamptonshire | 160 | - | Map |
| Laxton | Newark and Sherwood | - | Nottinghamshire | 296 | - | Map |
| Laxton | - | East Riding of Yorkshire | Yorkshire | 322 | - | Map |
| Layer de la Haye | Colchester | - | Essex | 1755 | 85 | Map |
| Layer Marney | Colchester | - | Essex | 206 | - | Map |
| Layham | Babergh | - | Suffolk | 576 | - | Map |
| Le Mont Durand | Guernsey | - | Channel Islands | - | - | Map |
| Le Rondin | Jersey | - | Channel Islands | - | - | Map |
| Lea | Preston | - | Lancashire | 5962 | - | Map |
| Lea | West Lindsey | - | Lincolnshire | 1084 | - | Map |
| Lea | North Wiltshire | - | Wiltshire | 769 | - | Map |
| Lea | - | Herefordshire, County of | Herefordshire | 646 | - | Map |
| Lea Marston | North Warwickshire | - | Warwickshire | 317 | - | Map |
| Leadenham | North Kesteven | - | Lincolnshire | 385 | - | Map |
| Leadgate | Derwentside | - | Durham | 4725 | 81 | Map |
| Leadgate | Eden | - | Cumbria | - | - | Map |
| Leafield | West Oxfordshire | - | Oxfordshire | 883 | - | Map |
| Leagrave | - | Luton | Bedfordshire | - | - | Map |
| Leake | Boston | - | Lincolnshire | 1803 | - | Map |
| Leake | Hambleton | - | Yorkshire | 8 | - | Map |
| Leake Common Side | Boston | - | Lincolnshire | - | - | Map |
| Lealholm | Scarborough | - | Yorkshire | - | - | Map |
| Leamington | Warwick | - | Warwickshire | 55133 | 1348 | Map |
| Leamside | Durham | - | Durham | - | - | Map |
| Leasingham | North Kesteven | - | Lincolnshire | 1520 | - | Map |
| Leatherhead | Mole Valley | - | Surrey | 41974 | 1651 | Map |
| Leathley | Harrogate | - | Yorkshire | 193 | - | Map |
| Leaton | Shrewsbury and Atcham | - | Shropshire | - | - | Map |
| Leaveland | Swale | - | Kent | 112 | - | Map |
| Leavening | Ryedale | - | Yorkshire | 363 | - | Map |
| Leavesden | Three Rivers | - | Hertfordshire | - | - | Map |
| Lechlade | Cotswold | - | Gloucestershire | 1590 | 66 | Map |
| Leck | Lancaster | - | Lancashire | 189 | - | Map |