| Site name | Country | County | Nearest town | Site type | Access | Classification (girth in metres) | View on map |
|---|---|---|---|---|---|---|---|
| Holme Lacy House | England | Herefordshire | Hereford | garden | Yes | Notable | View On Map |
| Holne | England | Devon | Newton Abbot | churchyard | Yes | Ancient 5m-7m | View On Map |
| Holt Wood – Rowlands Castle | England | Hampshire | Horndean | woodland | No | Ancient 4m-5m | View On Map |
| Holwell | England | Dorset | Sherborne | churchyard | Yes | Lost | View On Map |
| Holywell Dingle | England | Herefordshire | Kington | former religious site | Yes | Ancient 5m-7m | View On Map |
| Homme Castle – Worcestershire | England | Worcestershire | Worcester | historic site | No | Ancient 4m-5m | View On Map |
| Homme House – Herefordshire | England | Herefordshire | Hereford | parkland | No | Ancient 5m-7m | View On Map |
| Honguemare Guenouville | France | Eure - Normandie | Rouen | churchyard | Yes | Ancient 4m-5m | View On Map |
| Honiton | England | Devon | Exeter | churchyard | Yes | Notable | View On Map |
| Hoo St. Werburgh | England | Kent | Gillingham | churchyard | Yes | Ancient 5m-7m | View On Map |
| Hope Bagot churchyard | England | Shropshire | Tenbury Wells | churchyard | Yes | Ancient 7m+ | View On Map |
| Hope Bagot Lane | England | Shropshire | Tenbury Wells | hedge | Yes | Ancient 4m-5m, Ancient 5m-7m, LostNotable | View On Map |
| Hope under Dinmore | England | Herefordshire | Leominster | churchyard | Yes | Ancient 4m-5m | View On Map |
| Hopetoun House | Scotland | West Lothian | Queensferry | castle | Yes | Ancient 4m-5m, Notable | View On Map |
| Hoplands | England | Hampshire | Stockbridge | footpath/road | No | Ancient 5m-7m, Notable | View On Map |
| Hopton Cangeford -churchyard | England | Shropshire | Ludlow | churchyard | No | Lost | View On Map |
| Hopton Cangeford -lane | England | Shropshire | Ludlow | footpath/road | Yes | Notable | View On Map |
| Hopton Wafers | England | Shropshire | Cleobury Mortimer | churchyard | Yes | Ancient 5m-7m | View On Map |
| Hordley | England | Shropshire | Oswestry | churchyard | Yes | Ancient 4m-5m, Notable | View On Map |
| Horley | England | Surrey | Crawley | churchyard | Yes | Ancient 7m+, Lost | View On Map |