- Requesens, Salvatore Francesco de'1
- Requesens, Salvatore de'1
- Requesens, Vincenzo de'1
- Revolutions1
- Ribera, Teresa de1
- Rodriguez, Ysabel1
- Rodríguez, Sebastián, 1896-19681
- Romances, Spanish1
- Romero family1
- Ros Pelayre, Miguel1
- 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
- Sacraments--Catholic Church1
- Salt industry and trade--Law and legislation1
- Sanchez de Bustamente, Luis1
- Sancho Garcés I, King of Navarre, -9251