Lordes | Titres par Rang
- Barons Leveson
- Barons Levingston
- Barons Lexington
- Barons Lilford
- Barons Lindsay of Balcarres
- Barons Lindsay of the Byres
- Barons Linton and Caberston
- Barons Lloyd
- Barons Loch
- Barons Loughborough
- Barons Lovat
- Barons Lucy
- Barons Ludquhairne
- Barons Luke
- Barons Lumley
- Barons Lurgan
- Barons Lyell
- Barons Lyttelton
- Barons Macdonald de Slate
- Barons Macdonald of Slate
- Barons Maltravers
- Barons Manny
- Barons Margadale
- Barons Mauchline
- Barons Maxwell
- Barons Mayhew de Twysden
- Barons Mendlesham
- Barons Methven
- Barons Middleton
- Barons Molines
- Barons Monk Breton
- Barons Monk Bretton
- Barons Montacute
- Barons Montagu
- Barons Montagu de Beaulieu
- Barons Montagu de Boughton
- Barons Montagu of Boughton
- Barons Monteagle
- Barons Montgomerie
- Barons Mordaunt
- Barons Mornington
- Barons Mortimer
- Barons Mount Stuart
- Barons Mountbatten
- Barons Mountjoy
- Barons Mowbray
- Barons Moyne
- Barons Mulgrave
- Barons Nairne
- Barons Napier