Ritu - S.C.
- Ritual
- Ritual of Marriage
- Ritualists
- Rivington, Luke
- Rizal, José Mercado
- Rlari.
- Robber Council of Ephesus (Latrocinium)
- Robbers, Seven
- Robbia, Andrea della
- Robbia, Lucia di Simone
- Robert Abercromby
- Robert Aske
- Robert Aston Coffin
- Robert Bellarmine, Saint
- Robert Bickerdike
- Robert Blackburne
- Robert Cenalis
- Robert Ciboule
- Robert de Coucy
- Robert De' Nobili
- Robert Dymoke
- Robert Fabyan
- Robert Gradwell
- Robert Grosseteste
- Robert Guerard
- Robert Guiscard
- Robert Henryson
- Robert Isaac Wilberforce
- Robert Johnson, Blessed
- Robert Joseph Pothier
- Robert Kilwardby
- Robert Mannyng of Brunne
- Robert Nanteuil
- Robert of Arbrissel
- Robert of Courçon
- Robert of Geneva
- Robert of Jumièges
- Robert of Luzarches
- Robert of Melun
- Robert of Molesme, Saint