- (The) Common Lane
- Common Staires
- (The) Commons
- Companies Porters
- Compter Alley, Compter Court
- Compters
- Compter's Alley
- Compting House Court
- Comptoir National d'Escompte de Paris
- Conduit (Great) in Westeheap
- Conduit at Aldermanbury
- Conduit at Aldgate Without
- Conduit at Barking
- Conduit at Bishopsgate
- Conduit at Dowgate
- Conduit at Fleet Bridge
- Conduit at Holborn Cross
- Conduit at London Wall
- Conduit by St. Mary Magdalen, Old Fish Street
- Conduit by St. Nicholas Cole Abbey
- Conduit in Colchurch Parish
- Conduit in Colemanstreet
- Conduit in Fleet Street
- Conduit in Gracechurch Street
- Conduit in Lothbury
- Conduit Lane
- Conduit Tavern
- Conduit upon Cornhill
- Conduit without Cripplegate
- Conduit Yard
- Conduit, St. Margaret, Fish Street Hill
- Conduits
- Le Conduyte
- Coneyhope
- Coneyhope, Chapel of
- Coneyhope Lane
- Congate
- Conichepynge
- Consolidated Bank
- Converts (House of)
- Converts' Lane, Converslone
- Cony Court
- Cook Court
- Cookes Row
- Cook's Buildings
- Cook's Court
- Cook's Court, Bishopsgate
- Cooks' Hall
- Cook's Head Court
- Cook's Square
- Coomb's Alley
- Cooper's Court, East Smithfield
- Cooper's Court, Foster Lane
- Coopers' Hall
- Cooper's Rents
- Cooper's Row
- Cooper's Yard
- Copped Hall
- Coppedhall
- Copper Wharf
- Coppin's Court
- Copthall
- Copthall Avenue
- Copthall Buildings
- Copthall Chambers
- Copthall Court
- Coptick Court
- Copula
- Corbet Court
- Corbettes Key
- La Corderie
- Corders
- Cordwainer Street
- Cordwainer Ward
- Cordwainers
- Cordwainers and Bread Street School
- Cordwainers' Charity School
- Cordwainers' Court
- Cordwainers' Hall
- The Cordwainery
- Corn Exchange
- Cornario
- La Cornereschoppe
- Cornerhouse
- Corner's Court
- Corneyserestrete
- Cornhill
- Cornhill, Soke of
- Cornhill Ward
- Cornwall Buildings
- Cornwall Chapel
- Coroner's Court
- Corpus Christi Chapel in the Poultry
- Corpus Christi Chapel, St. Lawrence Pountney
- Corpus Christi, Fraternity of
- Corueyserestrat
- Corveyserestrate
- Cosyneslane
- Cote's Yard
- Cotton Court