Former Owner
- Naʻīm1
- Nicholas Bacon1
- Nonnberg Abbey1
- Novalesa Abbey1
- Octave Chavaillor1
- Otto Schäfer1
- Otto Vollbehr1
- Pandit Gobindpurshad1
- Paolino Gianfilippi1
- Parish Church of Waldhausen im Strudengau1
- Park Abbey1
- Pauline Fore Moffitt1
- Peter Ludwig1
- Peterborough Central Library1
- Philip Carteret Webb1
- Philip III the Good1
- Philip Kerr, 11th Marquess of Lothian1
- Philippe de Béthune1
- Piero Ginori Conti1
- Pietro Antonio Crevenna1