L
- Thomas Lainson, architect
- David Land, theatre producer
- Michael Langdon, opera singer, died in Hove in 1997
- George Larner, race-walker; double gold medallist at 1908 Olympics
- Walter Ledermann, mathematician, lived in Rottingdean and Hove
- Vivien Leigh, actress, Scarlet O'Hara in Gone with the Wind
- Alfred Lennon, father of John Lennon, was living in Brighton at the time of his death in 1976
- Reginald Leopold, BBC violinist, lived in Saltdean at the time of his death
- Fred Lillywhite, cricketer; organised first England overseas tour
- David Lindsay, Scottish novelist (wrote A Voyage to Arcturus), ran a boarding house in Brighton, died in Hove in 1945
- Ken Livingstone, politician; formerly Mayor of London; had a house in the Seven Dials area
- Hugh Lloyd, actor and comedian, lived in Rottingdean
- Jane Longhurst, killed by Graham Coutts; the Jane Longhurst Trust was set up to campaign for the criminalisation of what the Government labelled "extreme pornography", a move opposed by Backlash and the Consenting Adult Action Network
- Ida Lupino, actress and film-maker, c.1914 – c.1949, daughter of Stanley Lupino
- Desmond Lynam, broadcaster
Read more about this topic: List Of People From Brighton And Hove