John Smyth may refer to:
John Smyth (merchant) (c. 1500–1556), Bristol businessman and mayor John Smyth (English theologian) (1554–1612), considered the earliest Baptist John Smyth (priest) (died 1704), Anglican archdeacon in Ireland John Smyth (architect) (died 1775), Irish architect and engineer John Smyth (Master of Pembroke) (1744–1809), clergyman and Master of Pembroke College, Oxford John Ferdinand Smyth Stuart (1745–1814), until 1793 John Ferdinand Smyth, Scottish physician, soldier, and author John Smyth (1748–1811), British member of parliament for Pontefract John Smyth (sculptor) (c. 1773–1840), Irish sculptor John Henry Smyth (1780–1822), British member of parliament for Cambridge University John Smyth (minister) (1796–1860), Scottish minister in the Free Church of Scotland John Rowland Smyth (1803–1873), British soldier John George Smyth (1815–1869), Conservative member of parliament for the City of York John Smyth (Catholic priest) (1824–1870), vicar general in South Australia John Henry Greville Smyth 1836–1901), English naturalist and collector John Paterson Smyth (1852–1932), Canadian Anglican priest, Archdeacon of Montreal Sir John Smyth, 1st Baronet (1893–1983), Victoria Cross recipient, British MP and Privy Counsellor John Smyth (snooker referee) (1928–2007) John Smyth (barrister) (1941–2018), British QC, Christian lay minister, and child abuser John Smyth (footballer) (born 1970), Irish former professional footballer
See also John Smythe (disambiguation) John Smith (disambiguation)