Viscounts | Titles by Rank
- Viscounts of Bettencourt
- Viscounts of Beu
- Viscounts of Beughem
- Viscounts of Beughem de Houtem
- Viscounts of Béziers
- Viscounts of Bianchi
- Viscounts of Bienassis
- Viscounts of Bigorre
- Viscounts of Biolley
- Viscounts of Bischoffsheim
- Viscounts of Bivar
- Viscounts of Blaigny
- Viscounts of Boa Vista
- Viscounts of Boavista
- Viscounts of Bóbeda
- Viscounts of Boisboissel
- Viscounts of Bolingbroke
- Viscounts of Bom Conselho
- Viscounts of Bom Retiro
- Viscounts of Bom Sucesso
- Viscounts of Bonald de la Rode
- Viscounts of Bonfim
- Viscounts of Bony de Lavergne
- Viscounts of Borges da Silva
- Viscounts of Borges de Castro
- Viscounts of Borralha
- Viscounts of Bosch-Labrús
- Viscounts of Botelho
- Viscounts of Botelho de Seabra
- Viscounts of Bouça
- Viscounts of Bouteville
- Viscounts of Bouzões
- Viscounts of Bovieiro
- Viscounts of Boysseulh
- Viscounts of Brantes
- Viscounts of Breuilhez
- Viscounts of Bridiers
- Viscounts of Brioude
- Viscounts of Britiande
- Viscounts of Brosse
- Viscounts of Bruges
- Viscounts of Bruniquel
- Viscounts of Bruxelas
- Viscounts of Bruxelles
- Viscounts of Bucelas
- Viscounts of Buen Paso
- Viscounts of Burguillos
- Viscounts of Busset
- Viscounts of Bustos
- Viscounts of Cabanac