- Three Griffin Yard
- Three Hard Court, Creechurch Lane
- Three Herring Court
- Three Horseshoe Court
- Three Horshoe Alley
- Three Horshoe Court
- Three King Court
- The Three Kings
- Three Kings Alley, Minories
- Three Kings Court
- Three Leg Alley
- Three Leg Court, Yard
- Three Legges Alley
- The Three Legs
- Three Mariner Court
- Three Mariners Court
- Three Needle Street
- Three Nonnes
- Three Nun Court
- Three Nun Inn, Aldgate; Three Nuns Hotel
- Three Nunnes Alley
- Three Nuns Court
- Three Nuns Yard
- Three Pidgeon Court
- Three Pigeon Alley
- Three Pigeon Alley, Barbican
- Three Pigeon Court
- Three Pigeons Court
- Three Shear Court, Garlick Hill
- Three Sisters Court
- Three Slipper Court
- Three Still Court
- Three Sun Court
- Three Ton Alley
- Three Ton Alley, Ivy Lane
- Three Tun Alley, Bishopsgate St. Without
- Three Tun Alley, Thames Street
- Three Tun Alley, London Wall
- Three Tun Court
- Three Tun Court, Hart Street, Crutched Friars
- Three Tun Tavern
- Three Tun Tavern, Aldgate High Street
- Three Tun Yard
- The Three Tuns
- Three Tuns Alley
- Three Tuns Alley, Court
- Three Tuns Court
- Three Tuns Court, Alley
- Three Tuns Passage
- Three Tuns Tavern, Hart Street
- Throgmorton Avenue
- Throgmorton Court
- Throgmorton Street
- Throms Alley
- Thrum Street
- Thrums Alley
- Thulhalle
- Ticket Porters
- Tidewaiter's Court, Minories
- Tiger Court
- Tildon's Yard
- Timber Wharf
- Timber Yard
- Timber Yard, Dorset Street
- Timber Yard, Upper Thames Street
- Timberhawe
- Timberhithe
- Timberhithe Lane, Street
- Times' Printing Office
- Tin Plate Workers
- Tobacco Roll Court
- Toddes Alley
- Toddyneslane
- Le Tohm
- Tokenhouse Buildings
- Tokenhouse Garden
- Tokenhouse Yard
- Tomson's Rents
- Tongue's Court
- Tonson's Wharf
- Took's Court
- Topclyvesyn
- Topfeldisin
- Torella
- Tornebaston Lane
- (Prior of) Tortington's Inn
- Tourhill
- Tower Bank
- Tower Bridge
- Tower Bridge Approach
- Tower Buildings
- Tower Chambers
- Tower Ditch
- Tower Dock
- Tower Hill
- Tower Hill Passage
- Tower Liberty
- Tower of London
- Tower Postern
- Tower Royal