- 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
- Russia (Federation)--Astrakhanʹ1
- Russia (Federation)--Dagestan1
- Russia (Federation)--Tarki1
- Rüstem Paşa Camii (Istanbul, Turkey)1
- SS. Annunziata (Church : Florence, Italy)1
- Sacraments--Catholic Church1
- Salignato, Lunghino di1
- Salt industry and trade--Law and legislation1
- Salt mines and mining1
- Salt--Taxation1