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John Morris (Hebraist) (1595–1648), Regius Professor of Hebrew at Oxford University (1626) •
John Morris (bishop) (1866–1946), American prelate of the Roman Catholic Church •
John Brande Morris (1812–1886), English Anglican theologian, later a Roman Catholic priest •
John Edward Morris (1889–1987), American Roman Catholic priest •
John Gottlieb Morris (1803–1895), American Lutheran minister and entomologist •
John Hughes Morris (1870–1953), English Presbyterian minister, editors and writer •
John Morris (Jesuit) (1826–1893), English Jesuit and historical writer •
John Moses Morris (1837–1873), American minister and author •
John D. Morris (1946–2023), Christian creationist == Sports ==