- 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
- Bowiarresrowe
- Bowl Court
- Bowle Court
- Bowling Alley
- Bowman's Buildings
- Bowman's Court
- Bowyer Row
- Bowyers
- Bowyer's Court
- Bowyer's Court, Hart Street, Cripplegate
- Bowyers' Hall
- Boxen Court
- Boxford Court
- Box's Court
- Boxwood Court
- Boy Court
- Boyden's Wharf
- Brabant Court
- Braben Court, Philpot Lane
- Brackley Street
- Bradele
- Bradford Avenue
- Bradon's Court
- Bradshaw's Buildings
- Bradshaw's Court
- Bradshaw's Rents
- Bradstrete, Bradestrete
- Braime's Buildings
- Brandreeslane
- Brand's Yard
- Brantefeldesselde
- Brasiers' Hall
- Brass Foundry
- Braziers' Almshouses
- Braziers' Buildings
- Braziers' Hall
- Brazile Yard
- Brazil's Rents
- Bread Street
- Bread Street Alley
- Bread Street Compter
- Bread Street Hill
- Bread Street Ward
- Breakneck Alley
- Breakneck Court, Steps, or Stairs
- Breakneck Steps
- Bream's Buildings
- Breeches Yard
- Brestrete
- Le Bretask, Dowgate
- Le Bretask, Tower
- Bretask Lane
- Le Bretasse
- Brettonestrete
- Brew House
- Brewers (Fraternity of)
- Brewers Alley, Shoe Lane
- Brewers' Company
- Brewer's Court
- Brewers' Hall
- Brewers Lane
- Brewer's Quay
- Brewers Yard
- Brewers Yard, Shoe Lane
- Brewhouse
- Brewhouse Lane
- Brewhouse Lane, Upper Thames Street