- Aphelingstrate
- Apollo Court
- Apothecaries' Company
- Apothecaries' Hall
- Archdeacon, Chapel of
- Archer's Alley
- Arches, Court of
- Les Arches
- (St.) Arkenwald's Rents
- Armenterslane
- Armourers and Braziers' Company
- Armourers and Braziers' Hall
- Armourers' Hall
- Arms of the City
- Arnold's Court
- Arounes Lane
- Arraces Selde
- Arthur Street
- Arthur Street East
- Arthur Street West
- Artichoak Court
- Artichoke Court
- Artichoke Place
- Artillery Ground
- Artillery Lane
- Artirce, The King's
- Artizan Street
- Arundel Lane
- Ashantree Court
- Ashen Tree Court
- Ashentbee [Ashentree?] Court
- Ashentree Court
- Ashman's Court
- Ashurst's Court
- Askew Almshouses
- Asselyneswharf
- Athel Street, Athelestreet
- Athelane
- (St.) Athelburga
- Atheling Street
- Athelingstreet
- Aubrees Watergate
- Auction Mart Sale Rooms
- Audeleeshalle
- (St.) Audoen
- Augustin Friars
- (St.) Augustine ad Portam
- (St.) Augustine by London Wall
- (St.) Augustine in le Eldechaunge
- (St.) Augustine next Old Fish Street
- (St.) Augustine Papey, or in the Wall
- (St.) Augustine Parvus
- (St.) Augustine Street
- (St.) Augustine Watling Street
- (St.) Augustine's Gate
- Aurifabria
- (St.) Austin
- Austin Friars
- Austin Friars Passage
- Austin Friars Square
- Austine's Rents
- Austin's Court
- Australian Avenue
- Ave Maria Lane
- The Avenue
- Ax Yard
- Axe Alley, Leadenhall Street
- Axe Inn
- Axe Yard
- Axe Yard, Lime Street
- Ayelynstrete
- Ayre's Charity Almshouses
- Baalun (Ward of Alan)
- Babeloyne
- The Back Alley, Cloth Fair
- Back Alley
- Back Alley, Bear Alley
- Back Alley, Dean's Court, St. Martin's le Grand
- Back Alley, Great Gardens, St. Katherine's
- Back Alley, Shoe Lane
- Back Alley, Three Crane Lane
- Back Alley, Three Foxes Court
- Back Alley, Yard, Little Moorfields
- Back Bear Alley
- Back Court
- Back Gravel Lane, Houndsditch
- Back Streate, Cloth Fair
- Back Street, Little Moorfields
- Back Yard
- Back, Backside, of St. Thomas Apostles
- Backhouse
- Backside of Ye Shambles
- Backwell Hall
- Bacon House
- Bacon's Inn
- Bacunysyn
- Badgers Alley
- Baermannecyrce
- The Bagnio
- Bagnio Court Street