- (St.) Sithes
- (St.) Sithes Lane
- Siuendestret or Lane, Sivende Lane
- Six Bell Alley
- Six Bell Court
- Six Bell Passage
- Six Clerks' Office
- Six Garden Court, Paul's Alley, Cripplegate
- Six Penny Receivers' Office
- Size Lane
- Le Skaldynghouse
- Skales Inn
- Skimmer's Alley
- Skinner Street
- Skinner Street Passage
- Skinner Street, Bishopsgate
- Skinner's Alley
- Skinner's Alley, Houndsditch
- Skinners' Company
- Skinners' Hall
- Skinners' Place
- Skinners' Rents, Bishopsgate
- Skinnersshoppe
- The Skomer
- Skuttes Key
- Slade's Buildings
- Slaper's [Sloper's?] Lane
- Sloperlane
- Smale Lane
- Small Alley
- Smart's Key
- Smethe Lane
- Smethefeld
- Smethfeld del Barbican
- Smither's Coffee House
- Smither's Lane
- Smithfield
- Smithfield, East
- Smithfield Market
- Smithfield Penns
- Smith's Almshouses
- Smith's Buildings
- Smith's Buildings, Billiter Street
- Smith's Court
- Smith's Rents
- Smith's Wharf
- Smith's Yard
- Smlthfield Bars
- Smyth Lane
- Smythes Lane
- Sneaking Alley
- Snow Hill
- Snuff Yard, Houndsditch
- Soaper's Alley, Bishopsgate Without
- Soaper's Yard, St, Mary Axe
- Socage
- Socnere
- Soke
- Soldiers' Court, Grub Street, Cripplegate
- Somar's Key
- Somer's Key Gateway
- Somer's Quay Stairs
- Somerset Buildings
- Somerset Court
- Somerset Inn
- Somerset Street
- Sommer's Key
- Sondaye Wharf
- Sondayes Alley
- Sopemakers
- Soper's Lane
- Soper's Lane, Porters of
- Soper's Yard
- Sopporlane
- Soukinge Lane
- Souldier's Court
- South Alley
- South Place
- South Place Mews
- South Sea Chambers
- South Sea Court
- South Sea House
- South Sea Passage
- South Sea Yard
- Southam Lane
- Southampton House
- Southgate
- Southwark Bridge
- Southwark Bridge Stairs
- (Lord) Sowches' House
- Spanish Ambassador's House
- Spanish and Portuguese Synagogue, Bevis Marks
- Spark's Place
- Sparrow Corner
- Spectacle Alley
- Spectacle Makers
- Spectacle's Alley
- Spectacle's Rents
- The Spicery In Westcheap
- Spinning Wheel Alley