The Javanese Christian Church (, GKJ) or the Synod of the Christian Churches of Java (), founded on 17 February 1931, is a mutual bond of Javanese Reformed Christian churches which amounts to 307 churches in 32 presbyteries, spreading in 6 provinces in the island of Java: Yogyakarta, Central Java, East Java, West Java, Jakarta, and Banten. It has a Presbyterian church government.
It is a member of World Communion of Reformed Churches.