| Site name | Country | County | Nearest town | Site type | Access | Classification (girth in metres) | View on map |
|---|---|---|---|---|---|---|---|
| Discoed | Wales | Powys | Presteigne | churchyard | Yes | Ancient 5m-7m, Ancient 7m+, Notable | View On Map |
| Discoed hillside | Wales | Powys | Presteigne | field | No | Notable | View On Map |
| Disserth | Wales | Powys | Newbridge-on-Wye | churchyard | Yes | Ancient 4m-5m, Notable | View On Map |
| Ditcheat | England | Somerset | Castle Cary | churchyard | Yes | Notable | View On Map |
| Ditton | England | Kent | Maidstone | churchyard | Yes | Ancient 5m-7m | View On Map |
| Docklow | England | Herefordshire | Leominster | churchyard | Yes | Ancient 4m-5m, Notable | View On Map |
| Doddington | England | Kent | Faversham | churchyard | Yes | Ancient 4m-5m, Lost | View On Map |
| Dodington | England | Somerset | Williton | churchyard | Yes | Ancient 5m-7m | View On Map |
| Dolton | England | Devon | Great Torrington | churchyard | Yes | Ancient 4m-5m | View On Map |
| Dolwyddelan | Wales | Conwy | Betws-y-Coed | churchyard | Yes | Ancient 4m-5m, Ancient 5m-7m | 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 |
| Dovedale | England | Derbyshire | Ashbourne | cliff | Yes | Notable | View On Map |