| Site name | Country | County | Nearest town | Site type | Access | Classification (girth in metres) | View on map |
|---|---|---|---|---|---|---|---|
| Kersal Cell | England | Lancashire | Manchester | former religious site | No | Lost | View On Map |
| Keston | England | Greater London | Bromley | churchyard | Yes | Ancient 4m-5m | View On Map |
| Kexwith Beck Scar | England | Yorkshire - North | Richmond | upland | No | Ancient 4m-5m, Lost, Notable | View On Map |
| Kilgwrrwg | Wales | Monmouthshire | Chepstow | churchyard | Yes | Lost | View On Map |
| Killyleigh Castle | Ireland | Co. Down | Strangford/Downpatrick | estate | No | Notable | View On Map |
| Kilmersdon | England | Somerset | Radstock | churchyard | Yes | Notable | View On Map |
| Kilmington | England | Devon | Honiton | churchyard | Yes | Lost | View On Map |
| Kilpeck | England | Herefordshire | Hereford | churchyard | Yes | Ancient 4m-5m, Notable | View On Map |
| Kilve | England | Somerset | Bridgwater | churchyard | Yes | Lost | View On Map |
| King’s How | England | Cumbria | Keswick | upland | Yes | Notable | View On Map |
| Kingley Vale 1 – 9 ancient yews | England | Sussex - West | Chichester | woodland | Yes | Ancient 4m-5m, Ancient 5m-7m, Ancient 7m+ | View On Map |
| Kingley Vale 2 – 8 ancient yews 450 to 500cm | England | Sussex - West | Chichester | woodland | Yes | Ancient 4m-5m | View On Map |
| Kingley Vale 3 – 12 ancient yews 400 – 450cm | England | Sussex - West | Chichester | woodland | Yes | Ancient 4m-5m | View On Map |
| Kingley Vale 4 – 11 notable yews 350 to 400cm | England | Sussex - West | Chichester | woodland | Yes | Notable | View On Map |
| Kingley Vale 5 – 9 notable yews 300 to 350cm | England | Sussex - West | Chichester | woodland | Yes | Notable | View On Map |
| Kings Caple | England | Herefordshire | Ross-on-Wye | churchyard | Yes | Notable | View On Map |
| Kings Somborne palace | England | Hampshire | Winchester | historic site | Yes | Lost | View On Map |
| Kings Wood – nr Challock | England | Kent | Ashford | woodland | Yes | Notable | View On Map |
| Kings Worthy | England | Hampshire | Winchester | hedge | Yes | Ancient 5m-7m | View On Map |
| Kingsclere | England | Hampshire | Basingstoke | churchyard | Yes | Ancient 4m-5m | View On Map |