The abbreviation RK stands for:

  • Air Afrique, a former airline ( IATA code )
  • Karlsruhe Hauptbahnhof ( according to DS 100)
  • Korea after the ICAO code
  • Red Cross
  • Runge- Kutta method, in the numerical analysis
  • Radial keratotomy, also see keratotomy
  • Relient K, American pop band
  • Aircraft of the RK Series
  • Reservist
  • Revolutionary Communists
  • Revolutionary Struggle
  • Legal and Consular
  • Radical Constructivism
  • Religion Catholic, a branch of religious education, in contrast to RE for religion - Protestant. The abbreviation is used in Germany and Austria.
  • Republic of Kazakhstan
  • Republic of Korea, another name for South Korea
  • RK- reactor, a Soviet nuclear reactor type
  • Set-up costs, costs that come through retooling a machine materialize

RK as distinguishing signs on license plate:

  • UK: Reading
  • Norway: Stavanger in Rogaland county
  • Poland: county-level city of Krosno
  • Slovakia: Okres Ružomberok
  • Czech Republic: Okres Rychnov nad Kněžnou, German: Reichenau an der Knieschna ( discontinued)
  • Hungary: single-track vehicles to the police

The abbreviation rk or r.-k. stands for:

  • Roman Catholic, see Roman Catholic Church
  • Disambiguation
  • Abbreviation