Marquesses | Titles by Rank
- Marquesses of Westerloo
- Marquesses of Westmeath
- Marquesses of Westminster
- Marquesses of Wharton
- Marquesses of Wignacourt
- Marquesses of Wigtown
- Marquesses of Willingdon
- Marquesses of Winchester
- Marquesses of Worcester
- Marquesses of Yanduri
- Marquesses of Yurreta y Gamboa
- Marquesses of Yve de Bavay
- Marquesses of Zafra
- Marquesses of Zahara
- Marquesses of Zambrano
- Marquesses of Zayas
- Marquesses of Zelada de la Fuente
- Marquesses of Zendrera
- Marquesses of Zetland
- Marquesses of Zibello
- Marquesses of Zornoza
- Marquesses of Zurgena
- Marquesses of Zuya
- Marquesses ofTorremaggiore
- Marquesses Ollandini
- Marquesses Otowa
- Marquesses Pacelli
- Marquesses Pagani Planca Icoronati
- Marquesses Pallavicini
- Marquesses Pallavicino
- Marquesses Pallavicino Mossi
- Marquesses Pallavicino-Terlago
- Marquesses Parente
- Marquesses Patrizi Naro Montoro
- Marquesses Patrizi Paganico
- Marquesses Pilo-Boyl
- Marquesses Piromallo Capece Piscicelli
- Marquesses Pucci
- Marquesses Rangoni Santacroce
- Marquesses Ratrizi-Naro Montoro
- Marquesses Rodriguez d'Evora y Vega
- Marquesses Romagnoli de Cesena
- Marquesses Ruffo
- Marquesses Salerno di Licignano
- Marquesses Scotti
- Marquesses Serlupi
- Marquesses Serlupi Crescenzi
- Marquesses Solaroli di Briona
- Marquesses Sommariva
- Marquesses Spinola