Former Owner
- Richard Sackville1
- Riddagshausen Abbey1
- Robert Davies1
- Robert Elyot1
- Robert Fyncham1
- Robert H. Sayre1
- Robert Rossiter Hutton1
- Ross Winans1
- Rugby School1
- Rush Hawkins1
- Ruth Cheney Streeter1
- Sabin1
- Samuel Allan1
- Samuel Dennis1
- Sant Pere de Rodes1
- Schenck'sche Fide-Kommiss-Bibliothek1
- Sebastienne Boscher1
- Simon Gratz1
- Sir Henry St John-Mildmay, 4th Baronet1
- Sir John Arthur Brooke, 1st Bt.1