Former Owner
- Alain Campbell White1
- Alan H. Kempner1
- Alan Noel Latimer Munby1
- Albert Charles Robinson Carter1
- Albert Figdor1
- Albert M. Patrick1
- Albert M. Todd1
- Albert Parker, 3rd Earl of Morley1
- Albert VII of Mansfeld1
- Aldonza de Castilla1
- Alex Scott Carter1
- Alexander Bannatyne Stewart1
- Alexander Beresford Hope1
- Alexander Boswell, Lord Auchinleck1
- Alexander E. Vida1
- Alexander Fuller-Acland-Hood, 1st Baron St Audries1
- Alexander Hamilton, 10th Duke of Hamilton1
- Alexander Smets1
- Alexander W. Terrell1
- Alexandre de Keller1