John Stephen Hart (1866–1952) was the Bishop of Wangaratta in the Church of England in Australia (now the Anglican Church of Australia).
Hart graduated from the University of Melbourne in 1887 and was ordained in 1893. He was Vicar of Holy Trinity Benella, St Anselm's Middle Park and St Martin's Hawksburn.
In 1914 Hart became the Warden of Trinity College, Melbourne and, in 1919, he was made the Dean of St Paul's Cathedral, Melbourne. He was appointed Bishop of Wangaratta in 1927 and retired in 1942.