- Lamberhurst, Kent
- Lancing, Adur District, West Sussex
- Lancing: Lancing College
- Laughton, Wealden District, East Sussex
- Lavant, Chichester District, West Sussex
- Lewes Castle, Lewes, East Sussex
- Lewes Guides and Directories
- Lewes Priory, Lewes, East Sussex
- Lewes Southover, East Sussex
- Lewes, East Sussex
- Lidsey, Chichester District, West Sussex
- Linch, Chichester District, West Sussex
- Linchmere (aka Lynchmere), Chichester District, West Sussex
- Lindfield, Mid Sussex District, West Sussex
- Litlington, Wealden District, East Sussex
- Little Horsted/Horsted Parva, Wealden District, East Sussex
- Littlehampton, Arun District, West Sussex
- Littlehampton: guides and directories
- Lodsworth, Chichester District, West Sussex
- London
- Lordington, Chichester District, West Sussex
- Lower Beeding, Horsham District, West Sussex
- Loxwood, Chichester District, West Sussex
- Lullington, Wealden District, East Sussex
- Lurgashall, Chichester District, West Sussex
- Lyminster, Arun District, West Sussex
