| Walter Russell | American philosopher | 1871–1963 |
| Willy Russell | British dramatist, lyricist a… | 1947 |
| Cynthia Eagle Russett | American historian | 1937–2013 |
| Alexander III of Russia | Emperor of Russia | 1845–1894 |
| Alexander II of Russia | Emperor of Russia | 1818–1881 |
| Nicholas II of Russia | Emperor of All the Russias, G… | 1868–1918 |
| Peter I of Russia | Tsar and 1st Emperor, founder… | 1672–1725 |
| Lucio Russo | Italian historian and scienti… | 1944 |
| Rene Russo | actress, model | 1954 |
| Richard Russo | American novelist, short stor… | 1949 |
| Luigi Russolo | Electronic music pioneer and … | 1885–1947 |
| Doina Ruști | Romanian Writer | 1957 |
| Bayard Rustin | American civil rights activis… | 1912–1987 |
| Burt Rutan | American aerospace engineer | 1943 |
| Babe Ruth | American baseball player | 1895–1948 |
| Ernest Rutherford | New Zealand-born British chem… | 1871–1937 |
| Joseph Franklin Rutherford | American judge | 1869–1942 |
| Samuel Rutherford | Scottish Reformed theologian | 1600–1661 |
| Edward Rutherfurd | British writer | 1948 |
| John Manners, 7th Duke of Rutland | British politician | 1818–1906 |
| Edward Rutledge | American politician | 1749–1800 |
| Mark Rutte | 50th Prime Minister of the Ne… | 1967 |
| Frank Rutter | British art critic | 1876–1937 |
| Mary Ruwart | American scientist and libert… | 1949 |
| John Ruysbroeck | Flemish mystic | 1293–1381 |
| Kigeli V of Rwanda | Rwandan king | 1936–2016 |
| Alan Ryan | British philosopher | 1940 |
| Bob Ryan | | |
| Brittney Ryan | | |
| Debby Ryan | American singer and actress | 1993 |
| Kay Ryan | American poet | 1945 |
| Leo Ryan | American teacher and politici… | 1925–1978 |
| Paul Ryan | American politician | 1970 |
| Rex Ryan | American football coach | 1962 |
| Richard Ryan | | |
| Sara Ryan | American writer | 1971 |
| Alexander Rybak | Norwegian singer, actor, viol… | 1986 |
| Richard D. Ryder | British psychologist | 1940 |
| Edward Rydz-Śmigły | Polish general | 1886–1941 |
| Leland Ryken | professor from the United Sta… | |
| Cynthia Rylant | American author of children's… | 1954 |
| Gilbert Ryle | British philosopher | 1900–1976 |
| J.C. Ryle | Anglican bishop | 1816–1900 |
| Martin Ryle | English radio astronomer | 1918–1984 |
| Rymin | | |
| Ryōkan | Japanese Buddhist monk | 1758–1831 |
| Charles C. Ryrie | Dispensationalist theologian | 1925–2016 |
| Kai Ryssdal | Radio host, United States Nav… | 1963 |
| RZA | American rapper, record produ… | 1969 |
