John Dunne may refer to:

Religion John Dunne (priest) (1816–1867), Irish priest and educator John Dunne (bishop of Bathurst) (1845–1919), Roman Catholic bishop of Bathurst, New South Wales, Australia John Dunne (bishop of Wilcannia) (1846–1916), Roman Catholic bishop of Wilcannia, New South Wales, Australia John Charles Dunne (born 1937), American prelate of the Roman Catholic Church John S. Dunne (1929–2013), Roman Catholic priest and theologian John D. Dunne (born 1961), American author and professor of Buddhist Studies

Sports John 'Tull' Dunne (1911–1990), Irish Gaelic footballer, coach and administrator John Dunne (basketball) (born 1970), American college basketball coach John Dunne, British rock climber featured in the film Hard Grit

Other J. W. Dunne (1875–1949), British soldier, aeronautical engineer and philosopher John Gregory Dunne (1932–2003), American novelist, screenwriter John R. Dunne (1930–2020), American lawyer and politician John Dunne (chief constable) (1825–1906), chief constable of Cumberland and Westmorland

See also John Donne (1572–1631), English metaphysical poet John Dunn (disambiguation)