The United Church of Christ in Japan (UCCJ; Japanese: 日本基督教団 Nihon Kirisuto Kyōdan, or Kyōdan for short) is the largest Protestant denomination in Japan. It is a union of thirty-three diverse Protestant denominations forcibly merged by the Japanese wartime government on June 24, 1941. The UCCJ, which is a Japanese Independent Church, is a member of the World Council of Churches (WCC).