| Site name | Country | County | Nearest town | Site type | Access | Classification (girth in metres) | View on map |
|---|---|---|---|---|---|---|---|
| Luppitt | England | Devon | Honiton | churchyard | Yes | Notable | View On Map |
| Lurgashall | England | Sussex - West | Haslemere | churchyard | Yes | Notable | View On Map |
| Lydiard Tregoze | England | Wiltshire | Swindon | churchyard | Yes | Ancient 4m-5m | View On Map |
| Lydlinch | England | Dorset | Sturminster Newton | churchyard | Yes | Notable | View On Map |
| Lydney | England | Gloucestershire | Cinderford | churchyard | Yes | Lost | View On Map |
| Lydney Park | England | Gloucestershire | Cinderford | parkland | Yes | Ancient 4m-5m, Ancient 5m-7m, Notable | View On Map |
| Lymm | England | Cheshire | Warrington | garden | Yes | Notable | View On Map |
| Lyneham | England | Wiltshire | Swindon | churchyard | Yes | Ancient 4m-5m, Ancient 7m+ | View On Map |
| Lynford Arboretum | England | Norfolk | Thetford | parkland | Yes | Ancient 4m-5m | View On Map |
| Lyng (East Lyng) | England | Somerset | Taunton | churchyard | Yes | Notable | View On Map |
| Lynsted | England | Kent | Sittingbourne | churchyard | Yes | Ancient 4m-5m | View On Map |
| Lyonshall Lane | England | Herefordshire | Kington | hedge | Yes | Ancient 5m-7m | View On Map |
| Lyss – near Halkyn | Wales | Flintshire | Flint | churchyard | Yes | Lost | View On Map |
| Lytchett Matravers | England | Dorset | Poole | churchyard | Yes | Ancient 5m-7m | View On Map |
| Lytchett Minster | England | Dorset | Poole | churchyard | Yes | Ancient 5m-7m, Ancient 7m+ | View On Map |
| Machynlleth | Wales | Powys | Machynlleth | churchyard | Yes | Ancient 7m+ | View On Map |
| Maddington | England | Wiltshire | Salisbury | churchyard | Yes | Notable | View On Map |
| Madley | England | Herefordshire | Hereford | churchyard | Yes | Ancient 4m-5m | View On Map |
| Maentwrog | Wales | Gwynedd | Porthmadog | churchyard | Yes | Ancient 5m-7m, Lost | View On Map |
| Maesmynis | Wales | Powys | Builth Wells | churchyard | Yes | Ancient 4m-5m | View On Map |