- Blue Anchor Inn
- Blue Anchor Yard
- Blue Anchor Yard, Alley, Tower Hill
- Blue Ball Court
- Blue Bell
- Blue Bell Inn, Holborn
- The Blue Boar
- Blue Boar Court
- Blue Boar Head Alley, Court
- Blue Boar Stable Yard
- Blue Bore Inn
- Blue Coat Buildings
- Blue Gates
- Blue Hart Court
- Blue Lion Court
- Blunderbus Alley
- Blyth's Buildings
- Boar Alley
- Boar Inn, Aldgate
- Boarded Entry
- The Boar's Head
- The Boar's Head, Thames Street
- Boar's Head Court
- Boar's Head Tavern
- Bocherie
- Bochersbrigge
- Bockyng Wharf
- Bodd's Court
- Bogerowe
- Bokerelesberi
- Le Bolestak
- Boliot' Lane
- Bolt and Tun Alley
- Bolt and Tun Court, Fleet Street
- Bolt and Tun Inn
- The Bolt and Tunne, Friday Street
- Bolt Court
- Bolt in Tun Court, Yard
- Le Boltenton
- Bond Court
- Bonded Tea Warehouses
- Bond's Court, Walbrook
- Bond's Stables
- Bononiae (Honour of)
- Bookbinder Lane
- Booker's Gardens, Leadenhall Street
- Book's Rents
- Boot Alley
- Boot Alley, Nicholas Lane
- Bordhangly Lane
- Bordhawe
- Bordhawe Lane
- Boreman's Buildings
- Borer's Buildings
- Borer's Passage
- The Bore's Head Tavern
- Bore's Head
- Bore's Head Alley
- Bores Head Court
- Bore's Head Court, Gracechurch Street
- Bores Head Tavern
- Bore's Head, Cheap
- Bores Hedde
- Bores Street
- Le Boreshede
- Boss Alley
- Boss Court
- Boss Lane, Thames Street
- Boss of Water at Billingsgate
- Boss of Water at Paul's Wharf
- Boss of Water, St, Giles' Cripplegate
- Bosses Court
- Bothawe
- (St.) Botolph
- (St.) Botolph Aldersgate
- (St.) Botolph Aldgate
- (St.) Botolph Aldgate Charity School
- (St.) Botolph Aldgate Churchyard
- (St.) Botolph at Retheresgate
- (St.) Botolph Billingsgate
- (St.) Botolph Billingsgate, Churchyard
- (St.) Botolph Bishopsgate Churchyard
- (St.) Botolph in Thames Street
- (St.) Botolph without Aldersgate Churchyard
- (St.) Botolph without Bishopsgate
- Botolph Alley
- Botolph Wharf Gateway
- Botolph's Gate
- Botolph's Lane
- Botolph's Wharf
- Bottle Alley, Bottle Yard, Bishopsgate
- Bottle Lane
- Boulogne (Honour of)
- Bousishous
- Bouverie Street
- Boverie Street
- Bovonye (Honour of)
- Bow Churchyard
- Bow Lane
- La Bowe