- Bishopsgate Institute
- Bishopsgate Poorhouse
- Bishopsgate Station
- Bishopsgate Ward
- Bishopsgate Ward Schools
- Bishopsgate Ward Within
- Bishopsgate Ward Without
- Bishopshead Court
- Black and White Alley
- Black and White Court
- Black Bear Alley, Fleet Market
- The Black Boy, Watling Street
- Black Boy Alley
- Black Boy Alley, Black Boy Court, Minories
- Black Boy Alley, Seething Lane
- Black Boy and Camel
- The Black Bull
- Black Bull Inn, Bishopsgate Street
- Black Bull Yard, Aldgate High Street
- Black Bull, Leadenhall
- Black Dog Alley
- Black Friars
- Black Horse Alley
- Black Horse Alley, Aldersgate Street
- Black Horse Alley, Barbican
- Black Horse and Hare Inn
- Black Horse Court
- Black Horse Court, Minories
- Black Horse Inn
- Black Horse Stables
- Black Horse Yard
- Black Horse Yard, Aldgate High Street
- Black Horse Yard, Harrow Alley
- Black Lion Court
- Black Lion Inn
- Black Lion Yard
- Black Lion Yard, St. Thomas Apostle
- The Black Lyon
- Black Lyon Inn
- Black Lyon Yard, Stoney Lane, Houndsditch
- Black Posts
- Black Raven
- Black Raven Alley
- Black Raven Alley, Leadenhall Street
- Black Raven Court
- Black Raven Passage
- Black Raven Passage, Seething Lane
- The Black Spread Eagle
- Black Spread Eagle Court
- Black Swan Alley
- Black Swan Alley, Cannon Street
- Black Swan Alley, Garlick Hill
- Black Swan Court
- Black Swan Court, St. Paul's Churchyard
- Black Swan Inn
- Black Swan Yard
- Blackamore Court
- The Blacke-Boye
- Blackeloft
- Blackfriars
- Blackfriars Almshouses
- Blackfriars Bridge
- Blackfriars Gateway
- Blackfriars Lane
- Blackfriars School
- Blackfriars Stairs
- Blackfriars Station
- Blackfriars Theatre
- Blackfryers
- Blackhorse Alley, Court, Fleet Street
- Blackhorse Alley, Yard
- Blackleste
- Black's Alley
- Black's Rents
- Blacksmiths' Hall
- Blackwell Hall
- Blackwell Hall Court, Passage
- Blackwell Hall Yard
- Bladder Street
- Blakegate
- Blakehalle
- Blakehors on the Hope
- Blakelofte
- Blakwell Hall Court
- Blanch Appleton
- Blanch Appleton Court
- Blanch Chaplin Court
- Blanck's Alley
- Bland's Alley
- Bland's Yard
- Bleeding Heart Yard
- The Blew Gates
- Blew Anchor Inn, Duck Lane
- Blew Boar Court, Friday Street
- Blew Bores Head Court
- Blewits Court
- Blewitt's Buildings
- Blind Chapel Court
- Bliss's Court
- Blomfield Street