- Fairlight, Rother District, East Sussex
- Falmer, Lewes District, East Sussex
- Felpham, Arun District, West Sussex
- Fernhurst, Chichester District, West Sussex
- Ferring, Arun District, West Sussex
- Findon, Arun District, West Sussex
- Firle and West Firle, Lewes District, East Sussex
- Fishbourne Roman Palace, Fishbourne, West Sussex
- Fishbourne, Chichester District, West Sussex
- Fishersgate, The half-hundred of
- Fittleworth, Chichester District, West Sussex
- Fletching, Wealden District, East Sussex
- Flimwell, Rother District, East Sussex
- Folkington, Wealden District, East Sussex
- Fontwell, Arun District, West Sussex
- Ford, Arun District, West Sussex
- Forest Row, Wealden District, East Sussex
- Forestside, Chichester District, West Sussex
- Framfield, Wealden District, East Sussex
- Frant, Wealden District, East Sussex
- Friston, Wealden District, East Sussex
- Fulking, Mid Sussex District, West Sussex
- Funtington, Chichester District, West Sussex
