| Site name | Country | County | Nearest town | Site type | Access | Classification (girth in metres) | View on map |
|---|---|---|---|---|---|---|---|
| Compton Down-Silkstead Lane | England | Hampshire | Winchester | footpath/road | Yes | Ancient 4m-5m | View On Map |
| Compton Dundon | England | Somerset | Street | churchyard | Yes | Ancient 7m+ | View On Map |
| Compton Hangers – Old Idsworth | England | Hampshire | Horndean | woodland | No | Ancient 4m-5m, Ancient 5m-7m | View On Map |
| Compton Martin | England | Somerset | Bristol | churchyard | Yes | Ancient 4m-5m | View On Map |
| Compton Verney | England | Warwickshire | Stratford-upon-Avon | parkland | Yes | Ancient 5m-7m | View On Map |
| Cong Abbey | Ireland | Co. Mayo | Galway | churchyard | Yes | Notable | View On Map |
| Congresbury | England | Somerset | Bristol | churchyard | Yes | Lost | View On Map |
| Contrières | France | Manche - Normandie | Coutances | churchyard | Yes | Notable | View On Map |
| Cookham Dean | England | Berkshire | Maidenhead | churchyard | Yes | Ancient 4m-5m | View On Map |
| Cooling | England | Kent | Rochester | churchyard | Yes | Notable | View On Map |
| Coombe Bissett | England | Wiltshire | Salisbury | churchyard | Yes | Notable | No Map Data |
| Coppice Mawr – Chepstow | Wales | Monmouthshire | Chepstow | woodland | No | Notable | View On Map |
| Coreley | England | Shropshire | Tenbury Wells | hedge | No | Notable | View On Map |
| Corfe Mullen | England | Dorset | Poole | churchyard | Yes | Ancient 4m-5m | View On Map |
| Corhampton | England | Hampshire | Southampton | churchyard | Yes | Ancient 7m+ | View On Map |
| Corhampton / Droxford Parish Boundary | England | Hampshire | Bishop's Waltham | boundary | No | Notable | View On Map |
| Cormolain | France | Calvados - Normandie | Saint - Lô | churchyard | Yes | Ancient 4m-5m | View On Map |
| Cornwood | England | Devon | Plymouth | churchyard | Yes | Ancient 4m-5m | View On Map |
| Corsley | England | Wiltshire | Frome | churchyard | Yes | Lost | View On Map |
| Cottun | France | Calvados - Normandie | Bayeux | churchyard | Yes | Lost | View On Map |