- Castle Alley
- Castle and Falcon Hotel
- Castle and Faulcon Inn, Cripplegate
- Castle Baynard (Parish of)
- Castle Baynard Dock
- Castle Baynard Lane
- Castle Baynard Ward
- Castle Baynard Wharf
- Castle Court
- Castle Court, Birchin Lane
- Castle Court, Budge Row
- Castle Court, College Hill
- Castle Court, Houndsditch
- Castle Court, Lawrence Lane
- Castle Court, Threadneedle Street
- Castle Inn, Wood Street
- Castle Lane
- Castle Lane, Upper Thames Street
- Castle on the Hoop
- Castle Street
- Castle Street, Houndsditch
- Castle Tavern
- Castle Tavern Court
- Castle Tavern, Whitechapel Bars
- Castle Yard
- Castle Yard, Houndsditch
- Castle's New Court
- Cat Alley
- (The) Cat and Fiddle
- The Cat and Fiddle Cheap
- Cat and Wheel Alley, Bishopsgate
- Cate Lane
- Cateaton Street
- (St.) Catherine Colman
- (St.) Catherine Cree
- Catherine Alley
- Catherine Court
- The Catherine Wheel
- Catherine Wheel Alley
- Catherine Wheel Alley, Bishopsgate
- Catherine Wheel Alley, Snow Hill
- Catherine Wheel Alley, Thames Street
- Catherine Wheel and George Yard
- Catherine Wheel Court
- Catherine Wheel Inn
- Catherine Wheel Yard
- (St.) Catherine's
- Catling Street
- Cat's Hole
- Catt Alley
- Cattene Lane
- Cavendish Court
- Cecile Lane
- Central Criminal Court
- Chain Alley, Cooper's Row, Aldgate
- Chamberlain
- Chamberlain's Gate
- Chanceleresdich
- Chancery Lane
- Chandellor's Rents
- Chandlers' Hall
- Chandler's Rents
- Change Alley
- Chapel Alley
- Chapel Court
- Chapel in Bartholomew Hospital
- Chapel in (St.) Dunstan in the East Churchyard
- Chapel In Pardon Churchyard
- Chapel in the Charnel at St. Mary Spitall
- Chapel of Bethlehem
- Chapel of Ease, Skinner Street
- Chapel of the Bishop of St. Paul's
- Chapel Place
- Chapel Street
- Chapel upon the Charnell in St. Paul's Churchyard
- Converted into dwelling-houses, warehouses and sheds for stationers (S. 332) in 1549.
- Chapels in Old St. Paul's
- Chaplains of London (Parish)
- Chapter House Court
- Charity Court
- Charity School
- Charles Court
- Charles Street
- Charlotte Court
- Charlotte Row
- Charsey House
- The Charterhouse
- Charterhouse Lane
- Charterhouse Rents
- Charterhouse Street
- Chartesey House
- Chartrers
- Chatham Buildings
- Chatham Place
- Chaunceler, Chauncelleres Lane
- Cheap Ward
- Cheapside
- Cheapside Gate
- The Checker
- Checker Alley