Encyclopedias, Almanacs, Transcripts, and Maps
- Roth, Frederick George Richard
- Roth, Joseph
- Rothamsted
- Rothenburg ob der Tauber
- Rothesay, David Stuart, duke of
- Rothman, James Edward
- Rothschild, Nathan Meyer
- Rothstein, Arnold
- Roty, Louis Oscar
- Rouergue
- Rougé, Emmanuel, vicomte de
- Rougemont, Denis de
- Roulers
- Roumania
- Roumelia
- Round Tops
- roundworm
- Rourkela
- Rousseff, Dilma
- Roussel, Raymond