Marquesses | Titles by Rank
- Marquesses of Praslin
- Marquesses of Prat de Nantouillet
- Marquesses of Pratica
- Marquesses of Preaulx
- Marquesses of Pressy
- Marquesses of Préux
- Marquesses of Prez
- Marquesses of Priego
- Marquesses of Provence
- Marquesses of Puebla de Alfajarín
- Marquesses of Puebla de Cazalla
- Marquesses of Puebla de Parga
- Marquesses of Puente de la Virgen
- Marquesses of Puerto
- Marquesses of Puyguilhem
- Marquesses of Queensberry
- Marquesses of Queipo de Llano
- Marquesses of Queluz
- Marquesses of Querrieux
- Marquesses of Quesnoy
- Marquesses of Quincy
- Marquesses of Quintana de Las Torres
- Marquesses of Quintana del Marco
- Marquesses of Quintanar
- Marquesses of Quiqueran de Beaujeu
- Marquesses of Quirós
- Marquesses of Quitry
- Marquesses of Quixiramobim
- Marquesses of Rafal
- Marquesses of Rafol de Almunia
- Marquesses of Raiano
- Marquesses of Raimondi
- Marquesses of Rambouillet
- Marquesses of Ramón y Cajal
- Marquesses of Rapallo
- Marquesses of Rastignac
- Marquesses of Rato
- Marquesses of Ravenel
- Marquesses of Reading
- Marquesses of Real Agrado
- Marquesses of Real Socorro
- Marquesses of Real Tesoro
- Marquesses of Real Transporte
- Marquesses of Réaulx
- Marquesses of Recife
- Marquesses of Reedtz-Thott
- Marquesses of Reffuveille
- Marquesses of Reggiovanni
- Marquesses of Regiovanni
- Marquesses of Regiovanni