Former Owner
- Adelrich Benziger1
- Adrian Van Sinderen1
- Adrianus David Schinkel1
- Adrienne Minassian1
- Adán Inquaci1
- Adʹham Nūrī Waṣfī1
- Agnes Browne1
- Agnes Mongan1
- Akbar1
- Alain Campbell White1
- Alan H. Kempner1
- Alan Noel Latimer Munby1
- Albert Figdor1
- Albert M. Patrick1
- Albert M. Todd1
- Albert Parker, 3rd Earl of Morley1
- Alberto Govi1
- Alex Scott Carter1
- Alexander Bannatyne Stewart1
- Alexander Beresford Hope1