Twin Towns in the UK
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| UK town | UK region | Overseas town/region | Overseas country |
| Fakenham | Norfolk | Olivet | France |
| Falkirk | Falkirk | Quimper | France |
| Falkirk | Falkirk | Creteil | France |
| Falkirk | Falkirk | Odenwald. Lk | Germany |
| Falkirk | Falkirk | San Rafael | USA |
| Falmouth | Cornwall | Douarnenez | France |
| Falmouth | Cornwall | Rotenburg/Wumme | Germany |
| Fareham | Hampshire | Pulheim | Germany |
| Fareham | Hampshire | Vannes | France |
| Faringdon | Oxfordshire | Le Mesle-Sur-Sarthe | France |
| Farnham | Surrey | Andernach | Germany |
| Farnsfield | Nottinghamshire | Andouille | France |
| Farringdon | Devon | Secqueville-En-Bessin | France |
| Faversham | Kent | Hazebrouck | France |
| Felixstowe | Suffolk | Salzwedel | Germany |
| Felixstowe | Suffolk | Wesel | Germany |
| Fen Edge | Cambridgeshire | Avrille | France |
| Feniton | Devon | Louvigny | France |
| Fenland | Cambridgeshire | Maroochy Shire | Australia |
| Fenland | Cambridgeshire | Nettetal | Germany |
| Feock | Cornwall | L'Hopital-Camfrout | France |
| Ferndown | Dorset | Segre | France |
| Fife | Fife | Gansu Province | China |
| Filton | South Gloucestershire | St-Vallier | France |
| Filton | South Gloucestershire | Witzenhausen | Germany |
| Fishbourne | West Sussex | Langrune-Sur-Mer | France |
| Fishguard & Goodwick | Pembrokeshire | Loctudy | France |
| Flintshire | Flintshire | Kuga-Cho | Japan |
| Flintshire | Flintshire | Menden/Sauerland | Germany |
| Flintshire | Flintshire | Murata-Machi | Japan |
| Fochabers | Moray | Magnac-Sur-Touvre | France |
| Folkestone | Kent | Boulogne-Sur-Mer | France |
| Folkestone | Kent | Middelburg | Netherlands |
| Fordingbridge | Hampshire | Vimoutiers | France |
| Forest Row | East Sussex | Milly-La-Foret | France |
| Forfar | Angus | Chabanais | France |
| Forres | Moray | Mount Dora | USA |
| Forres | Moray | Vienenburg | Germany |
| Framlingham | Suffolk | Coucy-Le-Chateau-Auffrique | France |
| Frampton Cotterell | South Gloucestershire | Kelbra | Germany |
| Frampton-On-Severn | Gloucestershire | Bourgbarre | France |
| Framsden | Suffolk | St-Etienne-De-Lisse | France |
| Fraserburgh | Aberdeenshire | Bressuire | France |
| Fremington | Devon | Colombelles | France |
| Frodsham | Cheshire | Kelsterbach | Germany |
| Frome | Somerset | Chateau-Gontier | France |
| Frome | Somerset | Murrhardt | Germany |
| Frome Valley | Dorset | Negreville | France |
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