| Site name | Country | County | Nearest town | Site type | Access | Classification (girth in metres) | View on map |
|---|---|---|---|---|---|---|---|
| Seatoller – footpath | England | Cumbria | Keswick | upland | Yes | Ancient 5m-7m | View On Map |
| Seatoller – Honister Yew Tree Restaurant | England | Cumbria | Keswick | garden | Yes | Notable | View On Map |
| Seavington St Mary | England | Somerset | Ilminster | churchyard | Yes | Ancient 5m-7m | View On Map |
| Seavington St Michael | England | Somerset | Ilminster | churchyard | Yes | Ancient 4m-5m | View On Map |
| Secqueville-en- Bessin | France | Calvados - Normandie | Caen | churchyard | Yes | Ancient 4m-5m | View On Map |
| Sedbergh | England | Cumbria | Kendal | churchyard | Yes | Lost, Notable | View On Map |
| Sedgwick Park | England | Sussex - West | Horsham | woodland | Yes | Notable | View On Map |
| Selattyn | England | Shropshire | Oswestry | churchyard | Yes | Ancient 4m-5m, Ancient 5m-7m | View On Map |
| Selborne | England | Hampshire | Alton | churchyard | Yes | Lost | View On Map |
| Selborne – The Wakes | England | Hampshire | Alton | garden | Yes | Ancient 4m-5m | View On Map |
| Sellack | England | Herefordshire | Ross-on-Wye | churchyard | Yes | Notable | View On Map |
| Sellindge | England | Kent | Folkestone | churchyard | Yes | Ancient 5m-7m | View On Map |
| Selling | England | Kent | Faversham | churchyard | Yes | Ancient 5m-7m, Lost | View On Map |
| Selworthy | England | Somerset | Porlock | churchyard | Yes | Ancient 4m-5m | View On Map |
| Sevenhampton | England | Gloucestershire | Cheltenham | churchyard | Yes | Ancient 4m-5m | View On Map |
| Sevenoaks | England | Kent | Sevenoaks | churchyard | Yes | Ancient 4m-5m | View On Map |
| Sevenoaks Weald | England | Kent | Sevenoaks | woodland | Yes | Ancient 4m-5m | View On Map |
| Shaftesbury | England | Dorset | Shaftesbury | former religious site | Yes | Notable | View On Map |
| Shalbourne | England | Wiltshire | Hungerford | footpath/road | Yes | Ancient 5m-7m | View On Map |
| Shalford | England | Surrey | Guildford | churchyard | Yes | Lost | View On Map |