| Site name | Country | County | Nearest town | Site type | Access | Classification (girth in metres) | View on map |
|---|---|---|---|---|---|---|---|
| Fontaine-Bellenger | France | Manche - Normandie | Evreux | churchyard | Yes | Ancient 4m-5m | View On Map |
| Fonthill Bishop | England | Wiltshire | Mere | churchyard | Yes | Ancient 4m-5m | View On Map |
| Fonthill Estate | England | Wiltshire | Mere | estate | Yes | Ancient 5m-7m | View On Map |
| Fonthill Gifford | England | Wiltshire | Mere | churchyard | Yes | Ancient 4m-5m | View On Map |
| Fontmell Magna | England | Dorset | Shaftesbury | churchyard | Yes | Lost | View On Map |
| Forden | Wales | Powys | Montgomery | churchyard | Yes | Lost | View On Map |
| Forest of Dean – Blakeneyhill Wood North | England | Gloucestershire | Cinderford | woodland | Yes | Ancient 4m-5m | View On Map |
| Forest of Dean – Clearwell (Puzzle Wood) | England | Gloucestershire | Coleford | woodland | Yes | Notable | View On Map |
| Forest of Dean – Clearwell (Stock Wood) | England | Gloucestershire | Coleford | woodland | Yes | Notable | View On Map |
| Forest of Dean – East Wood | England | Gloucestershire | Chepstow | woodland | Yes | Ancient 7m+ | View On Map |
| Forest of Dean – Mugglewort Wood | England | Gloucestershire | Cinderford | woodland | Yes | Ancient 4m-5m, Notable | View On Map |
| Forest of Dean – Schowle (The Scowles) | England | Gloucestershire | Cinderford | woodland | No | Ancient 5m-7m | View On Map |
| Forest of Dean – Speech House | England | Gloucestershire | Cinderford | woodland | Yes | Notable | View On Map |
| Forest of Dean – Wigpool Common | England | Gloucestershire | Mitcheldean | woodland | Yes | Ancient 4m-5m, Notable | View On Map |
| Forgan – nr Tayport | Scotland | Fife | Dundee | churchyard | No | Notable | View On Map |
| Formentin | France | Calvados - Normandie | Lisieux | churchyard | Yes | Lost | View On Map |
| Forthampton | England | Gloucestershire | Tewkesbury | churchyard | Yes | Ancient 4m-5m, Ancient 7m+ | View On Map |
| Fortingall | Scotland | Perth and Kinross | Perth | churchyard | Yes | Ancient 7m+ | View On Map |
| Forton | England | Staffordshire | Telford | churchyard | Yes | Ancient 5m-7m | View On Map |
| Foston | England | Yorkshire - North | York | footpath/road | Yes | Notable | View On Map |