RJ, R&J, or Rj may refer to:


In arts and entertainment

In sport

In other fields

In arts and entertainment

Fictional characters and elements

  • RJ, a raccoon in the comic strip and feature film Over The Hedge
  • Red John, the main antagonist in the CBS crime drama The Mentalist
  • R.J. MacReady, the helicopter pilot in the 1982 sci-fi/horror film The Thing
  • In Star Trek, Rj is the chemical symbol for element 123, jamesium, named after Richard D. James (scientist)

Businesses and organizations


In technology

Other uses