Encyclopedias, Almanacs, Transcripts, and Maps
- Rivlin, Yosef Yiẓḥak
- Rizaieh
- Rizpah
- Rnying Ma (Nyingma)
- Roback, Abraham Aaron
- Roback, Lea
- Robbins (Rabinowitz), Jerome
- Robbins, Harold
- Robert (Levin), Ludwig
- Robert Bacon
- Robert Cowton
- Robert Holcot
- Robert Kilwardby
- Robert of Arbrissel, Bl.
- Robert of Bruges, Bl.
- Robert of Bury Saint Edmunds, St.
- Robert of Courçon
- Robert of Flamborough
- Robert of Melun (Hereford)
- Robert of Molesme, St.