- Ropshitser, Naphtali Ẓevi, 1760-18271
- Rosselmini, Giovanni1
- Rosselmini, Gregorio Tommaso1
- Rossi, Azariah ben Moses dei, approximately 1511-approximately 1578. Tsedeḳ ʻOlamim1
- Rossi, Giovanni de'1
- Rossi, Girolamo1
- Rossi, Girolamo de'2
- Rossi, Rosso1
- Rucellai, Donato1
- Rucellai, Filippo de'1
- Rucellai, Guglielmo 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
- Ruffaldi, Domenico1
- Rules1
- Rural conditions21
- Russia (Federation)--Astrakhanʹ1