Marquesses | Titles by Rank
- Marquesses of Lajes
- Marquesses of Lambert
- Marquesses of Lambilly
- Marquesses of Lameth
- Marquesses of Lamiaco
- Marquesses of Lanciano e Rustano
- Marquesses of Langallerie
- Marquesses of Langhac
- Marquesses of Lannoy
- Marquesses of Lano de San
- Marquesses of Lanques
- Marquesses of Lansdowne
- Marquesses of Lanzarote
- Marquesses of Lanzo
- Marquesses of Lanzo
- Marquesses of Lapilla
- Marquesses of Lara
- Marquesses of Lara-e
- Marquesses of Larios
- Marquesses of Larrain
- Marquesses of Larrain
- Marquesses of las Almenas
- Marquesses of las Amarillas
- Marquesses of Las Carreras
- Marquesses of las Claras
- Marquesses of las Cuevas de Velasco
- Marquesses of las Cuevas del Becerro
- Marquesses of las Delicias de Tempú
- Marquesses of las Escalonias
- Marquesses of las Franquesas
- Marquesses of Las Marismas del Guadalquivir
- Marquesses of Las Navas
- Marquesses of Las Navas de Navarra
- Marquesses of las Nieves
- Marquesses of Las Salinas
- Marquesses of las Torres
- Marquesses of las Torres de la Pressa
- Marquesses of Lasteyrie
- Marquesses of Lastic
- Marquesses of Latiano
- Marquesses of Laubespin
- Marquesses of Laula
- Marquesses of Lauriston-Boubers
- Marquesses of Lauro
- Marquesses of Laval
- Marquesses of Laval-Lezay
- Marquesses of Lavalette
- Marquesses of Lavardin
- Marquesses of Lavello
- Marquesses of Laverne-de-Rodes