Encyclopedias, Almanacs, Transcripts, and Maps
- Rastel, Philippe François, Sieur de Rocheblave
- Rastrelli, Bartolomeo
- Ratchet Effect
- Rathbun, John Peck
- Rathenau, Walther (1867–1922)
- Rather, Dan Irvin
- Rauf Denktash
- Raúl Ricardo Alfonsín
- Ravachol (François Claudius Koenigstein-Ravachol)
- Ravelin
- Rawdon-Hastings, Francis
- Rawlings's Regiment
- Ray, James Earl
- Ray, John (or Wray, 1627–1705)
- Raymond Chandler Jr
- Razia
- Razin Rebellion
- Razin, Stepan (known as Stenka; 1630?–1671)
- Raznochintsy
- Rca-Victor Company