Former Owner
- Noël Pinelli1
- Orlandus de Fatiis1
- Oswald Carl Friedrich von Seilern und Aspang1
- Otto Jahn1
- Otto Orren Fisher1
- Pangracius Chrewczer1
- Paolo Giovio1
- Paolo Vimercati Sozzi1
- Paul III1
- Paul Louis Feiss1
- Pazzi family1
- Peretz ben Yehuda Mintz Ashkenazi1
- Peter Le Neve1
- Philadelphia Museum of Art1
- Philip Kerr, 11th Marquess of Lothian1
- Philippe II de Croÿ1
- Phoebe Hearst1
- Pierre Fraenkel1
- Pierre Tassel1
- Pietro Bembo1