Former Owner
- Achille Kühnholtz-Lordat1
- Adelbert Brownlow-Cust, 3rd Earl Brownlow1
- Admont Abbey1
- Adrian Van Sinderen1
- Adrienne Minassian1
- Albert Figdor1
- Alfred Higgins1
- Alfred Seymour1
- Alfred Tredway White1
- Alfred Woolmer1
- Algerina Peckover1
- Alpirsbach Abbey1
- Andreas Justus Cennis1
- André Le Mercier1
- Angelo Fasolo1
- Anthony Askew1
- Antoine de Buz1
- Antoni Jerzy Apponyi1
- Antonio Dominico Restis1
- Antonio di Matteo di Giovanni Foresi da Bibbiena1