- Rochefort Demoulin, Louis1
- Roderick, King of the Visigoths, -711?1
- Romances, Spanish1
- Romera, Carlo1
- Rossi, Azariah ben Moses dei, approximately 1511-approximately 1578. Tsedeḳ ʻOlamim1
- 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
- Rules1
- Russia (Federation)--Dagestan1
- SS. Annunziata (Church : Florence, Italy)1
- Sacchetti, Angiolo1
- Sacraments--Catholic Church1
- Sales (Islamic law)1
- Salt mines and mining1