Former Owner
- Robert Dechert1
- Robert Devereux, 2nd Earl of Essex1
- Robert Fyncham1
- Robert Garrett20
- Robert Hoe III11
- Robert Mignan2
- Robert Neville1
- Robert Ranshaw1
- Robert Stayner Holford1
- Robert Williams1
- Robert Wyer1
- Robert de Mol1
- Roger North, 2nd Baron North1
- Rosamond B. Loring2
- Ross Winans1
- Rowland G. Hazard1
- Rugby School1
- Rushton Mather Dorman2
- Rāma Śarmmaṇ1
- Rāmeśara1