Former Owner
- Peter Ludwig1
- Peterborough Central Library1
- Philip Carteret Webb1
- Philip III the Good1
- Philip Kerr, 11th Marquess of Lothian1
- Philippe de Béthune1
- Phoebe Hearst3
- Pierleone Leoni2
- Piero Ginori Conti1
- Pietro Antonio Crevenna1
- Pietro Canal1
- Pietro Odescalchi1
- Prince Augustus Frederick, Duke of Sussex3
- Pîrîzâde, Sayyid ʻAbd Allāh, Shaykh al-Islām1
- Qusṭanṭīn ibn Lūdūlf1
- Raoul Chandon de Briailles1
- Raoul Léonor Lignerolles1
- Reading Abbey7
- Ricardo, Conde de Benahavis Heredia1
- Richard Gough2