Earls, Counts | Titles by Rank
- Earls of Lanesborough
- Earls of Lauderdale
- Earls of Leicester - 1st Creation
- Earls of Leicester - 2nd Creation
- Earls of Leicester - 3rd Creation
- Earls of Leicester - 4th Creation
- Earls of Leicester - 6th Creation
- Earls of Leicester - 7th Creation
- Earls of Leitrim
- Earls of Lennox
- Earls of Leven
- Earls of Lewes
- Earls of Lichfield-I
- Earls of Lichfield-II
- Earls of Lichfield-III
- Earls of Limerick
- Earls of Lincoln
- Earls of Lincoln
- Earls of Lincoln
- Earls of Lindsay
- Earls of Lindsey
- Earls of Linlithgow
- Earls of Lisburne
- Earls of Listowel
- Earls of Liverpool
- Earls of Lochleven
- Earls of Longford
- Earls of Lonsdale
- Earls of Loriol Chandieu
- Earls of Lothian
- Earls of Loudoun
- Earls of Lovelace
- Earls of Lucan
- Earls of Lugton
- Earls of Lytton
- Earls of Macclesfield-I
- Earls of Macclesfield-II
- Earls of Macduff
- Earls of Mahony
- Earls of Malmesbury
- Earls of Manchester
- Earls of Mansfield
- Earls of Mar - First Creation
- Earls of Mar - Seventh Creation
- Earls of Mar and Garioch - Fifth Creation
- Earls of Mar and Kellie
- Earls of March
- Earls of March
- Earls of March
- Earls of March