| Site name | Country | County | Nearest town | Site type | Access | Classification (girth in metres) | View on map |
|---|---|---|---|---|---|---|---|
| Alderbury | England | Wiltshire | Salisbury | churchyard | Yes | Ancient 7m+ | View On Map |
| Aldermaston – churchyard | England | Berkshire | Newbury | churchyard | Yes | Notable | View On Map |
| Aldermaston – Shalford Farm | England | Berkshire | Newbury | garden | No | Notable | No Map Data |
| Aldershot | England | Hampshire | Aldershot | churchyard | Yes | Notable | View On Map |
| Aldingbourne | England | Sussex - West | Chichester | churchyard | Yes | Lost | View On Map |
| Aldworth | England | Berkshire | Reading | churchyard | Yes | Ancient 7m+ | View On Map |
| Alesga | Spain | Asturias | Teverga Valley | churchyard | Yes | Notable | View On Map |
| Alfold | England | Surrey | Godalming | churchyard | Yes | Ancient 5m-7m | View On Map |
| Alice Holt | England | Hampshire | Farnham | woodland | Yes | Ancient 7m+, Lost, Notable | No Map Data |
| All Hallows – field near new cemetery | England | Dorset | Verwood | field | Yes | Ancient 7m+ | View On Map |
| All Hallows – hedge near new cemetery | England | Dorset | Verwood | hedge | Yes | Ancient 5m-7m | View On Map |
| All Hallows – old cemetery | England | Dorset | Verwood | former religious site | Yes | Ancient 5m-7m, Ancient 7m+ | View On Map |
| All Hallows – opposite old churchyard | England | Dorset | Verwood | footpath/road | Yes | Ancient 5m-7m | View On Map |
| Allestree | England | Derbyshire | Derby | churchyard | Yes | Ancient 5m-7m | View On Map |
| Allostock – The Three Greyhounds | England | Cheshire | Northwich | garden | Yes | Lost | View On Map |
| Allt-y-fan | Wales | Powys | Sennybridge | former religious site | No | Ancient 5m-7m | View On Map |
| Alltmawr | Wales | Powys | Builth Wells | churchyard | Yes | Ancient 7m+ | View On Map |
| Althorp | England | Northamptonshire | Northampton | parkland | No | Ancient 5m-7m | View On Map |
| Alton – Barton End | England | Hampshire | Basingstoke | garden | Yes | Ancient 4m-5m | View On Map |
| Alton Barnes | England | Wiltshire | Devizes | churchyard | Yes | Ancient 4m-5m | View On Map |