Marquesses | Titles by Rank
- Marquesses of los Altares
- Marquesses of los Arcos
- Marquesses of los Balbases
- Marquesses of Los Castellones
- Marquesses of los Jardines de Aranjuez
- Marquesses of los Ríos
- Marquesses of los Salados
- Marquesses of Los Soidos
- Marquesses of los Trujillos
- Marquesses of los Vélez
- Marquesses of Lostanges
- Marquesses of Lothian
- Marquesses of Loulé
- Marquesses of Louriçal
- Marquesses of Louvencourt
- Marquesses of Louvois
- Marquesses of Lozoya
- Marquesses of Luc
- Marquesses of Luca de Tena
- Marquesses of Lucca
- Marquesses of Lucca
- Marquesses of Lucedio
- Marquesses of Lugros
- Marquesses of Lumiares
- Marquesses of Lungherini
- Marquesses of Luppé
- Marquesses of Lur-Saluces
- Marquesses of Luzzara
- Marquesses of Mac-Mahón
- Marquesses of Mac-Mahon
- Marquesses of MacDuff
- Marquesses of Maceió
- Marquesses of Madonia
- Marquesses of Maenza
- Marquesses of Maestrazgo
- Marquesses of Maillé
- Marquesses of Maillé de la Tour-Landry
- Marquesses of Maillebois
- Marquesses of Mailly-Nesle
- Marquesses of Mairena
- Marquesses of Maizières
- Marquesses of Majastres
- Marquesses of Malagon
- Marquesses of Malaspina
- Marquesses of Malaspina di Carbonara
- Marquesses of Malauze
- Marquesses of Malet
- Marquesses of Malferit
- Marquesses of Malmesbury
- Marquesses of Malpica