Former Owner
- Albizzi1
- Alex Scott Carter1
- Alexander Bannatyne Stewart1
- Alexander E. Vida1
- Alexander Hamilton, 10th Duke of Hamilton1
- Alfred John Horwood1
- Alfred Trapnell1
- Alfred Tredway White1
- Alfred Woolmer1
- Algerina Peckover1
- Alice M. Taylor1
- Alice Millard1
- Allan Marquand1
- Allen Rowland1
- Alphonse Labitte1
- American Art Association1
- Andrea Matteo Acquaviva1
- Andrea della Valle1
- Andreas Weiss1
- Angela Burdett-Coutts, 1st Baroness Burdett-Coutts1