Barons | Titles by Rank
- Barons of Lengsfeld
- Barons of Leonrod
- Barons of Leopfechting
- Barons of Leopoldina
- Barons of Leopoldina-I
- Barons of Lepel
- Barons of Lerchenfeld
- Barons of Lerchenfeld-Prennberg
- Barons of Lerchenfeld-Siessbach-Prennberg
- Barons of Lesdain
- Barons of Lessa
- Barons of Letosa
- Barons of Levetzow
- Barons of Levetzow-Lantieri
- Barons of Leyde
- Barons of Leyen
- Barons of Leyen-Bloemersheim
- Barons of Leyschot
- Barons of Lezay
- Barons of Lhoneux
- Barons of Lichtenberg
- Barons of Lichtenstein
- Barons of Licques
- Barons of Liebenaich
- Barons of Liebieg
- Barons of Liechtenberg
- Barons of Liedekerke
- Barons of Ligne
- Barons of Lignerac
- Barons of Lignières
- Barons of Ligny
- Barons of Lilgenau
- Barons of Lilienburg
- Barons of Liliencron
- Barons of Lima Duarte
- Barons of Limeira
- Barons of Limoeiro
- Barons of Limpurg-Gaildorf
- Barons of Limpurg-Obersontheim
- Barons of Limpurg-Sontheim
- Barons of Lindau
- Barons of Linden
- Barons of Linhó
- Barons of Liñola
- Barons of Lititz
- Barons of Livramento
- Barons of Llauri
- Barons of Lobata
- Barons of Lobkowicz
- Barons of Locquenghien