- Netherfield, Battle District, East Sussex
- Newhaven, Lewes District, East Sussex
- Newick, Lewes District, East Sussex
- Newtimber, Mid Sussex District, West Sussex
- Ninfield, Wealden District, East Sussex
- North Bersted, Arun District, West Sussex
- North Heath, Horsham District, West Sussex
- North Marden, Chichester District, West Sussex
- North Mundham, Chichester District, West Sussex
- North Stoke, Horsham District, West Sussex
- Northchapel, Chichester District, West Sussex
- Northeye medieval village, west of Bexhill-on-Sea, East Sussex
- Northiam, Rother District, East Sussex
- Norton, Seaford, East Sussex
- Nutbourne, Chichester District, West Sussex
- Nuthurst, Horsham District, West Sussex
- Nutley, Wealden District, East Sussex
- Nyetimber, Arun District, West Sussex
