Former Owner
- Qāsim al-Īrawānī1
- R. F. Pain1
- Rafael Gomes1
- Raffaello de’ Medici1
- Raghunatha Bhatta Goswami1
- Raghunātha Kāgalakara1
- Ralph Ewart Ford1
- Rama Deva1
- Ramsau Monastery1
- Raoul Chandon de Briailles1
- Raphael Nathan Nata Rabinowitz1
- Rashīdī, Ibrāhīm1
- Reginald Harvey Griffith1
- Reiss & Son1
- Reuschenberg, Margreta von1
- Richard Ashurst Bowie1
- Richard James Horatio Gottheil1
- Richard Linenthal1
- Richard McKeon1
- Richard Priestley1