British and Irish History: Biographies
- Ambrosius Aurelianus
- Andrew Bonar Law
- Andrew Browne Cunningham 1st Viscount Cunningham of Hyndhope
- Andrew Fletcher
- Aneurin Bevan
- Anne
- Anne (queen)
- Anne Boleyn
- Anne of Bohemia
- Anne of Cleves
- Anne of Denmark
- Anthony Ashley Cooper 1st earl of Shaftesbury
- Anthony Babington
- Anthony Eden 1st earl of Avon
- Anthony Van Dyck
- Anthony Wedgwood Benn
- Arabella Stuart
- Archibald Campbell 3d duke of Argyll
- Archibald Campbell 5th earl of Argyll
- Archibald Douglas 3d earl of Douglas