- Love's Grove
- Lower Court
- Lower East Smithfield
- Lower Mews
- Lower Thames Street
- Loxon's Alley
- Left by Thomas Hinde, 1635, to the parson and churchwardens of the parish (End. Ch. St. Peter, 1903, p. 2).
- Loyd's Brewhouse
- Loyd's Yard
- Lucas Lane
- Lucca, Society of
- Ludgate
- Ludgate Arcade
- Ludgate Churchyard
- Ludgate Circus
- Ludgate Circus Buildings
- Ludgate Court
- Ludgate Gaol
- Ludgate Hill
- Ludgate Hill Station
- Ludgate Place
- Ludgate Square
- Ludgate Street
- Ludgate Ward
- Ludlane
- Lugg Yard, Bow Lane
- Lumley House
- Lund's Alley
- Lusting Company
- Lutheran Church
- Luther's Buildings
- Lygon's Lodgings
- (The) Lyllye Potte
- Lymbarneres Lane, Lymbrenneres Lane
- Lyme Street
- Lyme Street Square
- Lyme Wharfe
- Lyon Alley
- Lyon in ye Wood Inn
- Lyon Key
- Lyon's Wharf
- Lyuerounelane
- Lyver Lane
- Mabsons
- Mac's Place
- Macworth Inn
- Maden Lane
- La Maderhawe
- Madock's Rents
- (St.) Magnus the Martyr
- Magnus Martirus Wharf
- Magpie Alley
- Magpie
- Magpy Alley
- Magpy
- Magpy Inn
- Magpy Yard, Bishopsgate
- Magpye
- Magpye Alley, Fenchurch Street
- Magpye Court
- Maid Court
- Maiden Court
- Maiden Lane
- The Maidenhead
- Maidenhead Alley
- Maidenhead Alley, Grub Street
- Maidenhead Alley, St. Katherine's
- Maidenhead Court
- Maidenhead Court, Maiden Lane
- Maidenhead Yard
- Maidenhead Yard, Inn
- Maioneslane
- Mairmaid Court, Warwick Lane
- Mairmaid Inn, Great Carter Lane
- Mallet's Court
- (Abbot of) Malmesbury Inn
- Manchester Avenue
- Manchonlane, Mangonelane
- Manimanelane
- Maninvelane
- Manionelane
- Manor
- Manor Row
- Mansell Passage
- Mansell Street
- Mansion House
- Mansion House Buildings
- Mansion House Place
- Mansion House Station
- Mansion House Street
- Maps of London
- (St.) Margaret Bridge Street
- (St.) Margaret Croked Lane
- (St.) Margaret de Brugge
- (St.) Margaret de Froscherche, by London Bridge
- (St.) Margaret Fish Street Hill
- (St.) Margaret Friday Street
- (St.) Margaret in Breggestrate
- (St.) Margaret Lane
- (St.) Margaret Lothbury