| Site name | Country | County | Nearest town | Site type | Access | Classification (girth in metres) | View on map |
|---|---|---|---|---|---|---|---|
| Doneraile Park | Ireland | Co. Cork | Waterford | estate | Yes | Ancient 5m-7m, Notable | View On Map |
| Donnington | England | Herefordshire | Ross-on-Wye | churchyard | Yes | Ancient 4m-5m, Notable | View On Map |
| Dorking – Logmore Green | England | Surrey | Dorking | woodland | Yes | Ancient 4m-5m | View On Map |
| Dorking – Ten acre field | England | Surrey | Dorking | woodland | Yes | Ancient 4m-5m, Lost | View On Map |
| Dorking – Yew Tree Road | England | Surrey | Dorking | garden | No | Notable | View On Map |
| Dormansland | England | Surrey | East Grinstead | field | Yes | Ancient 4m-5m | View On Map |
| Dormington | England | Herefordshire | Hereford | churchyard | Yes | Notable | View On Map |
| Dorstone – churchyard | England | Herefordshire | Hereford | churchyard | Yes | Ancient 4m-5m | View On Map |
| Dorstone – Pandy Inn | England | Herefordshire | Hay-on-Wye | garden | Yes | Notable | View On Map |
| Douville-en-Auge | France | Calvados - Normandie | Caen | churchyard | Yes | Ancient 4m-5m | View On Map |
| Dovedale | England | Derbyshire | Ashbourne | cliff | Yes | Notable | View On Map |
| Doveridge | England | Derbyshire | Uttoxeter | churchyard | Yes | Ancient 5m-7m | View On Map |
| Down Ampney | England | Gloucestershire | Cirencester | churchyard | Yes | Notable | View On Map |
| Downe | England | Greater London | Orpington | churchyard | Yes | Ancient 7m+ | View On Map |
| Downe – Nature Reserve | England | Greater London | London | woodland | Yes | Ancient 4m-5m | View On Map |
| Downleaze Copse – nr Corhampton | England | Hampshire | Bishop's Waltham | woodland | Yes | Ancient 5m-7m | View On Map |
| Downside House | England | Somerset | Shepton Mallet | garden | No | Ancient 4m-5m | View On Map |
| Downton | Wales | Powys | Presteigne | footpath/road | Yes | Notable | View On Map |
| Downton Castle | England | Shropshire | Ludlow | estate | No | Ancient 4m-5m | View On Map |
| Draethen – woodland | Wales | Caerphilly | Cardiff | woodland | Yes | Notable | View On Map |