Former Owner
- Roger Martin1
- Rolls1
- Ross R. DeVean1
- Rowland G. Hazard1
- Roy G. Fitzgerald1
- Royal Monastery of Saint Mary of Guadalupe1
- Royaumont Abbey1
- Rudolf Graupner1
- Rudolf Hofmeister1
- Rudolph B. Gottfried1
- Rudolph Feilding, 8th Earl of Denbigh1
- Rudolphus Rasser Donatus1
- Rush Hawkins1
- S. Ereilter1
- S. S. Conant1
- Sabin1
- Sabina Sopheija Behren1
- Saint Mihiel Abbey1
- Saint-Amand Abbey1
- Saint-Riquier1