- Requesens, Berengario de'1
- Requesens, Eleonora de'1
- Requesens, Francesco Benedetto de'1
- Requesens, Francesco de'1
- Requesens, Galcerando de'1
- Requesens, Giuseppe de'1
- Requesens, Ludovico de'1
- Requesens, Luigi de'1
- Requesens, Salvatore Francesco de'1
- Requesens, Salvatore de'1
- Requesens, Vincenzo de'1
- Responsa1
- Ressano, Catterina1
- Ressano, Giovanni1
- Resurrection (Islam)1
- Revelation on Sinai1
- Riario, Raffaello, 1451-15211
- Ricchi, Raphael Immanuel ben Abraham Ḥai, 1688-17431
- Ricci, Giorgio de'1
- Ricciardi, Taddeo1