JOC may refer to:

  • Young Christian Workers (Jeunesse ouvrière chrétienne in French), an international Catholic organization of the Young Trade Unionists
  • Japanese Olympic Committee, the national Olympic committee in Japan for the Olympic Games movement
  • Joint Operations Command a Headquarters within the Australian Defence Force
  • Journal of Organic Chemistry, a peer-reviewed scientific journal
  • Jars of Clay, A Christian rock band.