- Fairbourne
- Felin Fach
- Felindre
- Felinfoel
- Felingwmuchaf
- Ferryside
- Ffair-fâch
- Ffald-y-Brenin
- Ffestiniog
- Fforest
- Ffrith
- Ffynnon-ddrain
- Fishguard
- Five Roads
- Flemingston
- Flimston
- Fochriw
- Forden
- Foryd
- Four Crosses
- Freshwater East
- Freystrop
- Frongoch
- Ferndale
- Flint
- Fachwen
- Felindre
- Felindre
- Felindre
- Felinfach