| Town Name | District | Unitary Authority | County | Population | Area Size (Ha) | |
|---|---|---|---|---|---|---|
| Longcross | Surrey Heath | - | Surrey | - | - | Map |
| Longdendale | Tameside | - | Cheshire | 10360 | 206 | Map |
| Longdon | Malvern Hills | - | Worcestershire | 472 | - | Map |
| Longdon | Lichfield | - | Staffordshire | 1472 | - | Map |
| Longdown | Teignbridge | - | Devon | - | - | Map |
| Longfield | Dartford | - | Kent | 16855 | 455 | Map |
| Longford | Salisbury | - | Wiltshire | 510 | - | Map |
| Longford | Derbyshire Dales | - | Derbyshire | 321 | - | Map |
| Longford | North Shropshire | - | Shropshire | - | - | Map |
| Longford | Coventry | - | Warwickshire | - | - | Map |
| Longford | - | Telford and Wrekin | Shropshire | - | - | Map |
| Longframlington | Alnwick | - | Northumberland | 979 | - | Map |
| Longham | Breckland | - | Norfolk | 219 | - | Map |
| Longham | East Dorset | - | Dorset | - | - | Map |
| Longhirst | Castle Morpeth | - | Northumberland | 446 | - | Map |
| Longhope | Forest of Dean | - | Gloucestershire | 1474 | - | Map |
| Longhorsley | Castle Morpeth | - | Northumberland | 798 | - | Map |
| Longley | Sheffield | - | Yorkshire | - | - | Map |
| Longney | Forest of Dean | - | Gloucestershire | 276 | - | Map |
| Longnor | Staffordshire Moorlands | - | Staffordshire | 360 | - | Map |
| Longnor | Shrewsbury and Atcham | - | Shropshire | 231 | - | Map |
| Longparish | Test Valley | - | Hampshire | 702 | - | Map |
| Longport | Newcastle-under-Lyme | - | Staffordshire | - | - | Map |
| Longridge | Ribble Valley | - | Lancashire | 650 | 18 | Map |
| Longstock | Test Valley | - | Hampshire | 451 | - | Map |
| Longstone | Derbyshire Dales | - | Derbyshire | 772 | - | Map |
| Longstreet | Kennet | - | Wiltshire | - | - | Map |
| Longton | - | Stoke-on-Trent | Staffordshire | - | - | Map |
| Longton | South Ribble | - | Lancashire | 11786 | 434 | Map |
| Longtown | Carlisle | - | Cumbria | 2533 | 53 | Map |
| Longtown | - | Herefordshire, County of | Herefordshire | 474 | - | Map |
| Longueville | Jersey | - | Channel Islands | - | - | Map |
| Longville | South Shropshire | - | Shropshire | - | - | Map |
| Longwick | Wycombe | - | Buckinghamshire | 1267 | - | Map |
| Longwitton | Castle Morpeth | - | Northumberland | - | - | Map |
| Longworth | Vale of White Horse | - | Oxfordshire | 848 | - | Map |
| Looe | Caradon | - | Cornwall | 5120 | 159 | Map |
| Loose | Maidstone | - | Kent | 2207 | - | Map |
| Lopen | South Somerset | - | Somerset | 236 | - | Map |
| Loppington | North Shropshire | - | Shropshire | 576 | - | Map |
| Lorbottle | Alnwick | - | Northumberland | - | - | Map |
| Lorton | Allerdale | - | Cumbria | 250 | - | Map |
| Lostock Gralam | Vale Royal | - | Cheshire | 2317 | - | Map |
| Lostwithiel | Restormel | - | Cornwall | 2402 | 68 | Map |
| Loudwater | Wycombe | - | Buckinghamshire | - | - | Map |
| Loughborough | Charnwood | - | Leicestershire | 47739 | 1268 | Map |
| Loughton | - | Milton Keynes | Buckinghamshire | - | - | Map |
| Loughton | Epping Forest | - | Essex | 38452 | 946 | Map |
| Loughton | South Shropshire | - | Shropshire | - | - | Map |
| Lound | Bassetlaw | - | Nottinghamshire | 493 | - | Map |