| Site name | Country | County | Nearest town | Site type | Access | Classification (girth in metres) | View on map |
|---|---|---|---|---|---|---|---|
| Tintinhull – Cedar Court | England | Somerset | Yeovil | garden | Yes | Ancient 4m-5m | View On Map |
| Tintinhull – churchyard | England | Somerset | Yeovil | churchyard | Yes | Notable | View On Map |
| Tirabad | Wales | Powys | Llandovery | churchyard | Yes | Notable | View On Map |
| Tirley | England | Gloucestershire | Tewkesbury | churchyard | Yes | Ancient 4m-5m, Lost | View On Map |
| Tisbury | England | Wiltshire | Shaftesbury | churchyard | Yes | Ancient 7m+, Lost | View On Map |
| Tissington | England | Derbyshire | Ashbourne | churchyard | Yes | Notable | View On Map |
| Titley – Balls Corner | England | Herefordshire | Presteigne | garden | No | Ancient 4m-5m | View On Map |
| Titley – Mowley Lane | England | Herefordshire | Presteigne | footpath/road | Yes | Ancient 5m-7m | View On Map |
| Titsey Place | England | Surrey | Croydon | former religious site | Yes | Ancient 5m-7m | View On Map |
| Tiverton – St Peter | England | Devon | Tiverton | churchyard | Yes | Notable | View On Map |
| Tockenham | England | Wiltshire | Lyneham | churchyard | Yes | Ancient 4m-5m | View On Map |
| Todenham | England | Gloucestershire | Moreton-in-Marsh | churchyard | Yes | Ancient 4m-5m | View On Map |
| Tollard Royal | England | Wiltshire | Shaftesbury | churchyard | Yes | Ancient 4m-5m | View On Map |
| Tollymore Forest Park | Ireland | Co. Down | Newcastle | estate | Yes | Ancient 4m-5m | View On Map |
| Tolquhon Castle | Scotland | Aberdeenshire | Aberdeen | castle | Yes | Notable | View On Map |
| Ton-yr-ywen | Wales | Cardiff | Cardiff | historic site | Yes | Lost | View On Map |
| Tonbridge – A21 road widening | England | Kent | Tonbridge | garden | No | Lost | View On Map |
| Tonge | England | Kent | Sittingbourne | churchyard | Yes | Ancient 4m-5m | View On Map |
| Torbryan | England | Devon | churchyard | Yes | Ancient 4m-5m | View On Map | |
| Torce | Spain | Asturias | Teverga Valley | churchyard | Yes | Notable | View On Map |