- Rodriguez, Ysabel1
- Rodríguez, Sebastián, 1896-19681
- Romances, Spanish1
- Ros Pelayre, Miguel1
- Rosh Hodesh1
- Rossi, Giovanni de'1
- Rossi, Girolamo de'1
- Rueda family1
- Rueda, Baltasar de, active 1553-15691
- Rueda, Bernardino de, active 1553-15691
- Rueda, Luis de, active 1553-15691
- Rueda, Rodrigo de, active 1553-15691
- Rufina, Saint, -approximately 2871
- Rāfiʻī, ʻAbd al-Karīm ibn Muḥammad, 1162-1226. Muḥarrar1
- SS. Annunziata (Church : Florence, Italy)1
- Sacchetti, Angiolo1
- Sacraments--Catholic Church1
- Saints1
- Salt mines and mining1
- Salviati, Antonio, 1816-18901