- Bullocks Yard, Minories
- Bull's Head Court
- Bull's Head Passage
- Bulwark Gate
- Bunce
- Bunting Alley
- Bunt's Yard, Crutched Friars
- Burdellane
- Burellers
- Le Burgate
- Burgavenny House
- Burges Court
- Burgess Street
- Burgon Street
- Burley House
- Burnt Yard, Crutched Friars
- Burr Street
- Burroughe (Lord of the)
- The Burse
- Bury Court
- Bury Street, Bevis Marks
- Busby's Rents
- Bush Alley, Upper East Smithfield
- Bush Lane
- Bushell Court
- Busher's Wharf
- Bushie's Rents
- Butcher Hall Lane
- Butcher Row, Aldgate High Street
- Butcher Row, East Smithfield
- Butchers
- Butchers, Street of
- Butcher's Alley
- Butchers' Hall
- Butchers' Hall Corner
- Butler Street
- Butler's Alley
- Butler's Buildings
- Butler's Court
- Butler's Yard
- Button Court
- Buttonmould Row
- Bylleter Lane
- Byward Street
- Caesar's Head Court
- Le Cage, St. Michael Bassishaw, Parish
- Le Cage, Westcheap
- Cain and Abel's Alley
- Calendars
- Calvert Court
- Cambrigge Key
- Camera Dianae
- Camomile Court
- Camomile Mews
- Camomile Street
- Campion Lane
- Camp's Almshouses
- Canada Company's Office
- Candewystrate
- Candish Court
- Candle House
- Candlestick Founders
- Candlewick Street
- Candlewick Ward
- Candlewick Ward Chambers
- Canninge Street
- Cannon Alley
- Cannon Court
- Cannon Street
- Cannon Street House
- Cannon Street Station
- Cannon Street West
- Canon Alley
- Canterbury Court, St. Andrew's Hill, Blackfriars
- Capel Court
- Capilhors
- Caponeshors
- Cappers
- Car Court
- Car Square
- Car Yard
- Card Court
- Cardinal Alley, Cornhill
- Cardinal Cap Alley, Cornhill
- The Cardinall Hatt, Gracechurch Street
- Cardinal's Hat
- Le Cardinalshat Lombard Street
- Carey Lane
- Carey Street
- Carfukes, Leadenhall
- Carlisle Avenue
- Carlisle Buildings
- Carmelite Street
- Carmelites
- Carnebelles Place
- Caroone House
- Carpenter's Buildings
- Carpenters' Company
- Carpenter's Court
- Carpenter's Hall