Former Owner
- Richard Ashurst Bowie1
- Rinaldo Ridolfini1
- Robert Branthwait1
- Robert Brodhead Honeyman1
- Robert Lehman1
- Robert Neville1
- Robert Samuel Turner1
- Robert Wheeler Willson1
- Robert de Mol1
- Roderick Terry1
- Rosamond B. Loring1
- Royal Monastery of Saint Mary of Guadalupe1
- Rudolphus Rasser Donatus1
- Sabina Sopheija Behren1
- Samuel Allan1
- Samuel Butler1
- Samuel Putnam Avery1
- Samuell Bouter1
- Santa Maria delle Grazie Church1
- Santander San Juan, Simon de, -17911