Marquesses | Titles by Rank
- Marquesses of Baides
- Marquesses of Bajamar
- Marquesses of Balanzó
- Marquesses of Balboa
- Marquesses of Balbueno
- Marquesses of Balincourt
- Marquesses of Balleroy
- Marquesses of Ballestar
- Marquesses of Balon
- Marquesses of Balzola
- Marquesses of Bambreich
- Marquesses of Bandeville
- Marquesses of Bañeza
- Marquesses of Barbacena-br
- Marquesses of Barbançois-Sarzay
- Marquesses of Barbançon
- Marquesses of Barbentane
- Marquesses of Barbezieux
- Marquesses of Bárboles
- Marquesses of Barcarrota
- Marquesses of Bariñas
- Marquesses of Baroja
- Marquesses of Barrio Lucio
- Marquesses of Barzanallana
- Marquesses of Bassecourt
- Marquesses of Bassompierre
- Marquesses of Basto
- Marquesses of Bath
- Marquesses of Bavaria
- Marquesses of Bâville
- Marquesses of Bay
- Marquesses of Bayamo
- Marquesses of Bayers
- Marquesses of Bayona
- Marquesses of Bazan
- Marquesses of Baztán
- Marquesses of Beaucourt
- Marquesses of Beaufort-Spontin
- Marquesses of Beauharnais
- Marquesses of Beaujeu
- Marquesses of Beaumont
- Marquesses of Beaumont Bonelli
- Marquesses of Beaumont-la-Ronce
- Marquesses of Beauvau
- Marquesses of Bedmar
- Marquesses of Belas
- Marquesses of Belbeuf
- Marquesses of Belcredi
- Marquesses of Belforte
- Marquesses of Belfuerte