- (St.) Katherine's Street, East Smithfield
- (St.) Katherine's Wharf, East Smithfield
- Katones Lane
- Kayum Fractum
- Kebb's Yard
- Kelles Alley
- Kennan's Hotel
- Kennet Wharf
- Kennet's Wharf Lane
- Kenton Street
- Kery Lane
- Ketton Street
- Le Key
- Key Court
- Kiffits' Court, St Michael's Lane
- King and Key Coach Office
- King Edward Street
- King Henry Yard
- King Street
- King Street Passage
- King Street, Cheapside
- King Street, Cloth Fair
- King Street, St. James' Place
- King Street, Tower Hill
- King Tudor Street
- King William Street
- Kinges Street
- Kingesgate
- Kinghorn Street, Cloth Fair
- King's Alley
- King's Arms
- King's Arms Buildings
- King's Arms Coach Office
- King's Arms Court
- King's Arms Inn
- King's Arms Inn, Snow Hill
- King's Arms Tavern
- King's Arms Yard
- King's Bench
- King's Bench Office
- King's Bench Walk
- The King's Brewhouse
- King's College Rents
- King's Court
- King's Head
- The King's Head, Cheapside
- The King's Head, Newgate Street
- King's Head Court
- King's Head Court, Whitecross Street
- King's Head Court, Widegate Street
- King's Head Inn
- King's Head Tavern
- King's Head Tavern, Mark Lane
- King's Printing House
- King's Street, Water Lane
- The King's Wardrobe
- King's Weigh House
- Kingscote Street
- Kingshead Court, Coleman Street
- Kingsown Place
- Kirby Court
- Kirone Lane
- Kneseworth Key
- Knightengild
- Knightrider Court
- Knightrider Lane
- Knightrider Street
- Knightriders Street, West Smithfield
- Knight's Court
- Knowle's Court
- Knyges-Aleye
- Knyghttes Hill
- Kote
- Kynges-Aleye
- Kyngesditch
- Kyngeslane
- Kyron, Kyroun Lane
- Kyrune Lane
- La Beche
- Labour in Vain Court
- Labour in Vain Hill
- Labour in Vain Yard
- Lad Court
- Lad Lane
- Lady Bitch's House
- Lady Holles' School
- Lady's Yard
- Le Lamb
- Lamb Alley
- Lamb Court
- Lamb Court, Hart Street, Cripplegate
- Lamb Yard, Lamb's Yard, Lamb Alley, Bishopsgate
- Lambe Alley
- Lambard Hill Lane
- Lambarde Hill
- Lambeth Hill
- Lambourne Ward
- Lamb's Alley
- Lamb's Buildings
- Lamb's Chapel