John Wallace Chisholm, (14 September 1923 — 24 May 1975) was an Australian divine who served as the tenth Anglican Bishop of Melanesia and first Archbishop of the Province of Melanesia. He was educated at Trinity College, University of Melbourne and ordained in 1947. His first post was as a Curate at St Stephen’s, Rochester Row, Westminster after which he was Sub-Dean of the Cathedral of St Peter and St Paul, Dogura, Papua and New Guinea. From 1964 to 1967 he was an Auxiliary Bishop of New Guinea when he became Bishop of Melanesia, a post he held until 1975 when the Diocese of Melanesia became a province. He died shortly after his appointment as Primate.