Former Owner
- Adolphe Lefrancq1
- Adolphe Morlot1
- Adrian Van Sinderen1
- Adriana R. Salem3
- Adrianus David Schinkel2
- Agnes Browne1
- Agnes Mongan1
- Akbar1
- Alain Campbell White1
- Alan G. Thomas2
- Alan Noel Latimer Munby1
- Albert C. Baugh9
- Alberto Govi1
- Albizzi1
- Aldonza de Castilla1
- Alex Scott Carter1
- Alexander Bannatyne Stewart1
- Alexander Beresford Hope1
- Alexander E. Vida1
- Alexander Hamilton, 10th Duke of Hamilton1