RI or ri may refer to:
Richard Milhous Nixon (January 9, 1913 – April 22, 1994) was an American politician who served as the 37th President of the United States, serving from 1969 until 1974, when he resigned from office, the only U.S.
Robyn Rihanna Fenty (; 20 February 1988) is a Barbadian singer, songwriter and actress. Born in Saint Michael, Barbados and raised in Bridgetown, during 2003 she recorded demo tapes under the direction of record producer Evan Rogers and signed a recording contract with Def Jam Recordings after auditioning for its then-president, hip hop producer and rapper Jay Z.
Richard Morgan Fliehr (possibly born Fred Phillips; February 25, 1949), better known as Ric Flair, is an American professional wrestling manager and retired professional wrestler signed to WWE under its Legends program.
Rio de Janeiro (; Portuguese pronunciation: [ˈʁi.u d(ʒi) ʒɐˈnejɾu]; River of January), or simply Rio, is the second-most populous municipality in Brazil and the sixth-most populous in the Americas.
Richard I (8 September 1157 – 6 April 1199) was King of England from 1189 until his death. He also ruled as Duke of Normandy, Aquitaine and Gascony, Lord of Cyprus, Count of Poitiers, Anjou, Maine, and Nantes, and was overlord of Brittany at various times during the same period.
Richard Phillips Feynman (; May 11, 1918 – February 15, 1988) was an American theoretical physicist known for his work in the path integral formulation of quantum mechanics, the theory of quantum electrodynamics, and the physics of the superfluidity of supercooled liquid helium, as well as in particle physics for which he proposed the parton model.
Sir Richard Starkey (born 7 July 1940), known professionally as Ringo Starr, is an English musician, songwriter, singer, and actor who gained worldwide fame as the drummer for the Beatles.