Former Owner
- Pietro Canal1
- Pietro Odescalchi1
- Pîrîzâde, Sayyid ʻAbd Allāh, Shaykh al-Islām1
- Qusṭanṭīn ibn Lūdūlf1
- Raoul Chandon de Briailles1
- Raoul Léonor Lignerolles1
- Ricardo, Conde de Benahavis Heredia1
- Richard Greene1
- Richard James Horatio Gottheil1
- Richard Mery of Hatfield1
- Richard Wroe1
- Riddagshausen Abbey1
- Riederer, Georg Wilhelm1
- Robert Elyot1
- Robert Stayner Holford1
- Robert Williams1
- Robert Wyer1
- Roger North, 2nd Baron North1
- Ross Winans1
- Rugby School1