Marquesses | Titles by Rank
- Marquesses of Laverne-de-Rodes
- Marquesses of Lavradio
- Marquesses of Laxion
- Marquesses of Lazán
- Marquesses of Le Visse de Montigny de Jaucourt
- Marquesses of Lede
- Marquesses of Leganés
- Marquesses of Leis
- Marquesses of Lema
- Marquesses of Lendínez
- Marquesses of Lenoncourt et Blainville
- Marquesses of Lescure
- Marquesses of Lespinay
- Marquesses of Lesquen du Plessis-Casso
- Marquesses of Lestrade
- Marquesses of Leusse
- Marquesses of Leyde
- Marquesses of Leyva
- Marquesses of Lezay
- Marquesses of Lezay-Marnesia
- Marquesses of Liancourt
- Marquesses of Licodia
- Marquesses of Lierta
- Marquesses of Ligúria Oriental
- Marquesses of Lillers
- Marquesses of Linares
- Marquesses of Linars
- Marquesses of Lincolnshire
- Marquesses of Lindoso
- Marquesses of Lindsey
- Marquesses of Linlithgow
- Marquesses of Listenois
- Marquesses of Llano
- Marquesses of Llano
- Marquesses of Llano de san Javier
- Marquesses of Llanzol
- Marquesses of Llen
- Marquesses of Loja
- Marquesses of Lomagna
- Marquesses of Lombay
- Marquesses of Londonderry
- Marquesses of Longano
- Marquesses of Longjumeau
- Marquesses of Longvilliers
- Marquesses of Lordat
- Marquesses of Lorenzana
- Marquesses of Loreto
- Marquesses of Loriana
- Marquesses of Lorne
- Marquesses of los Aguilares