Encyclopedias, Almanacs, Transcripts, and Maps
- Rubinstein, Anton Grigoryevich
- Rückert, Friedrich
- rudbeckia
- Rudd, Kevin Michael
- rudderfish
- Rudenstine, Neil Leon
- Rüdesheim
- Rudinì, Antonio Starrabba, marchese di
- Rudolf of Hapsburg
- Rudolph
- Rudolstadt
- ruellia
- ruffed grouse
- Ruffo, Fabrizio
- Rufiji
- Ruggles, Samuel Bulkley
- Rugova, Ibrahim
- Ruhamah
- Rulers of France since 987 ( (table))
- Rulers of Spain since 1474 ( (table))