Former Owner
- Norza, Leon1
- Noël Pinelli1
- Nur al-Din Arslan Shah I1
- Nūr al-Dīn Darvīsh2
- Oliver Henry Perkins9
- Oswald Carl Friedrich von Seilern und Aspang2
- Otto Orren Fisher1
- Otto Vollbehr1
- Otto Walter Fuhrmann1
- Pandit Gobindpurshad1
- Pangracius Chrewczer1
- Paolo Giovio1
- Paolo Vimercati Sozzi1
- Paul Louis Feiss1
- Peretz ben Yehuda Mintz Ashkenazi1
- Peter Ludwig3
- Petrus Giraud1
- Petrus de Thureyo1
- Philibert-Charles-Marie Varenne de Fenille1
- Philip Kerr, 11th Marquess of Lothian1