- Rosary1
- Rosselmini, Giovanni1
- Rosselmini, Gregorio Tommaso1
- Rossi, Azariah ben Moses dei, approximately 1511-approximately 1578. Tsedeḳ ʻOlamim1
- Rossi, Giovanni de'1
- Rossi, Girolamo1
- Rossi, Rosso1
- Royal supremacy (Church of England)1
- Rubrics1
- Rucellai, Cosimo, 1495-15191
- Rucellai, Donato1
- Rucellai, Filippo de'1
- Rucellai, Guglielmo de'1
- Ruch, Georgius, fl. 1438-14411
- 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
- Rufardus1