Other
- John Davies of Hereford (c. 1565–1618), poet and satirist
- John Davies (Mallwyd) (c. 1567–1644), lexicographer, translator, and editor of the 1620 Welsh edition of the Bible
- John Davies (poet) (1569–1626), poet, statesman, attorney-general in Ireland
- John Davies (translator) (1625–1693), Welsh translator and writer
- John Davies (lecturer) or Davis (died 1850), English chemist and lecturer
- John Davies (publisher) (1814–1872), co-founded the Australian newspaper The Mercury
- John Humphreys Davies (1871–1926), Welsh lawyer, bibliographer and educator
- John Henry Davies (died 1927), brewery owner who in 1902 took over the British football club Manchester United
- John Thomas Davies (priest) (1881–1966), Anglican priest in Wales
- John Thomas Davies (1895–1955), English recipient of the Victoria Cross
- John Davies (businessman) (1916–1979), British businessman (British Petroleum) and Conservative MP and cabinet minister
- John Davies (bishop of St Asaph) (born 1923), Bishop of St Asaph, 1999–2008
- John Davies (archivist) (1925–1999), Malaysian archivist
- John R. T. Davies (1927–2004), remastering engineer of classic jazz records and musician
- John Davies (bishop of Shrewsbury) (born 1927), former Anglican Bishop of Shrewsbury
- John Davies (historian) (born 1938), Welsh historian
- John Howard Davies (1939–2011), television producer-director and former child actor
- John Davies (photographer) (born 1949), landscape photographer based in the United Kingdom
- John Davies (bishop of Swansea and Brecon) (born 1953)
- John S. Davies (actor) (born 1953), American actor
- John Winsell Davies (born 1964), owner of the Schramsberg Vineyards
- John Graham Davies, British actor
- John Cadvan Davies (1846–1923), Welsh poet and Wesleyan minister
- John Davies, editor of The Children's Newspaper and Look and Learn
- John Davies (Climber) (Born 1958), South African Climber
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