Culture or time period
- Rade people3 objects
- Rambuso1 objects
- Ramessid Period (1295–1069 BC)3,546 objects
- Rapa Nui239 objects
- Rarámuri people10 objects
- Redding Rancheria42 objects
- Relative chronology of Peruvian Early Intermediate Period143 objects
- Rendille291 objects
- Republic Period of China (1912–1949)16 objects
- Republic to Empire Transitional Period (49–27 BC)20 objects
- Rikbaktsa6 objects
- River Lake Nilotes2 objects
- Rizal Province2 objects
- Roanoke1 objects
- Roman Conquest of Italy (396–242 BC)16 objects
- Roman Empire (27 BC–395 AD)3,251 objects
- Roman Republic225 objects
- Roman and Byzantine Egypt (30 BC–641 AD)396 objects
- Romani people5 objects
- Roque River31 objects