R.

R. or r. may refer to:

  • Reign, the period of time during which an Emperor, king, queen, etc., is ruler
  • Rex or regina, abbreviated as R., the Latin words meaning "King" and "Queen", respectively
    • Commonly used for criminal prosecution in Commonwealth realms where offences are brought in the name of the monarch (e.g. "R. v Defendant")
  • Regnavit or rexit, abbreviated as r., used in historiography to designate the ruling period of a person in dynastic power, to distinguish from his or her lifespan (e.g. "Charles V (r. 1519–1556)")
  • R., an album by American singer R. Kelly

See also

  • All pages with titles beginning with R.
  • All pages with titles containing R.
  • R (disambiguation)