John Smythe may refer to:
Politicians John Smythe (High Sheriff of Kent), MP for Aylesbury and Hythe John Smythe (MP for Buckingham) (c.1599–1640), MP for Buckingham, 1626 John Smythe (MP for Richmond) (died 1599/1600), MP for Richmond
Others John Smythe (field hockey) (born 1989), Canadian field hockey player John Smythe (playwright), involved with the establishment of Nindethana Theatre in Melbourne, Australia, in 1971 John Smythe (screenwriter) of The Search for Animal Chin (1987) John H. Smythe (1844–1908), United States ambassador to Liberia John Henry Clavell Smythe (1915–1996), Sierra Leone Creole, Royal Air Force member and lawyer Sir John Smythe (soldier) (c.1532–1607), English soldier, diplomat and military writer. Sir John Smythe, 3rd Baronet (died 1737) of the Smythe baronets Sir John Smythe, 8th Baronet (1827–1919) of the Smythe baronets
See also John Smyth (disambiguation) John Smith (disambiguation)