• John Davies of Hereford (1565?–1618) poet and satirist
• Sir John Davies (poet) (1569–1626) poet, statesman, attorney-general in Ireland
• Dr. John Davies (Mallwyd) (c.1567–1644), lexicographer, translator, and editor of the 1620 Welsh edition of the Bible
• John Davies (publisher) (1814–1872)
• John C. Davies, a United States Representative from New York
• John Mark Davies (1840–1919, British-born Australian politician in the state of Victoria
• Ernest Albert John Davies (Labour politician) (1902–1991)
• John P. Davies (1908–1999), American diplomat
• John Davies (businessman) (1916–1979) British businessman (British Petroleum) and cabinet minister
• John Davies (archivist) (1925–1999) Malaysian archivist
• John R.T. Davies (1927–2004) remastering engineer of classic jazz records and musician
• John Davies (swimmer) (born 1929), Olympic Gold medalist and later United States district judge
• John Davies (athlete) (1938–2003)
• John Howard Davies (born 1939), television producer and former child actor
• John Quentin Davies (born 1944), usually called Quentin Davies, British Labour MP
• John Davies (sculptor) (b. 1946) British artist, working in sculpture and mixed media
• John Stewart Davies, Bishop of the Diocese of St Asaph, Church in Wales
• John Davies (judge) (Australia)
• Dr John Davies (historian) (and broadcaster)
• John Davies (editor), editor of The Children's Newspaper and Look and Learn
• John Davies or Davis (fl. 1816 - 1850) English chemist and lecturer
• John Clay Davies (Born October 23, 1992)

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