John Vaughan
John Vaughan may refer to:
Gentry
- John Vaughan, 1st Earl of Carbery, Welsh courtier and MP for Carmarthenshire 1601, 1621
- John Vaughan, 3rd Earl of Carbery, Governor of Jamaica and President of the Royal Society, MP for Carmarthen 1661 and Carmarthenshire 1679–86
- John Vaughan, 1st Viscount Lisburne
- John Vaughan, 2nd Viscount Lisburne, MP for Cardiganshire 1727–34
- John Vaughan, 3rd Earl of Lisburne, MP for Cardigan 1796–1818
- Sir John Vaughan (puisne judge), baron of the Exchequer and justice of the Common Pleas
- John Vaughan, 8th Earl of Lisburne
Military
- Sir John Vaughan (governor), army officer and military governor of Derry 1611–1643, and MP for County Donegal in 1613 and 1634
- John Vaughan (British Army officer, born 1871), British cavalry officer commanded the 3rd Cavalry Division in the First World War
- Sir John Vaughan (British Army officer, died 1795), British army officer and Member of Parliament for Berwick-upon-Tweed 1774–95
- John Vaughan (East India Company officer), British East India Company army officer
Law and politics
- John Vaughan (died 1577), MP for Herefordshire, Horsham, Surrey, Petersfield, Bletchingley, Hedon, Northumberland, Dartmouth and Grantham
- John Vaughan (died 1574), MP for Carmarthen Boroughs, 1558 and Carmarthenshire, 1572
- John Vaughan (by 1553-97 or later), MP for Pembroke 1594, 1586
- Sir John Vaughan (chief justice), MP for Cardigan 1628–45 and Cardiganshire 1661–68, Chief Justice of Common Pleas
- John Vaughan (MP for Montgomery), MP for Montgomery 1701–05
- John Vaughan (1693–1765), MP for Carmarthenshire 1745–54
- John Vaughan (died 1804) of Golden Grove, Carmarthenshire, MP for Carmarthenshire, 1779–1804
- John Vaughan (Australian politician), Attorney-General of South Australia
- John Vaughan (ironmaster), 19th century British ironmaster and mayor of Middlesbrough
- John Vaughan (MP for Merioneth), Welsh politician who sat in the House of Commons in 1654
- John Henry Vaughan, lawyer and ornithologist; Attorney General of Zanzibar and later of Fiji
Sportsmen
- John Vaughan (footballer, born 1856), Welsh international footballer
- John Owen Vaughan, Welsh international footballer
- John Vaughan (cricketer), Canadian cricketer
- John Vaughan (footballer, born 1964), English football goalkeeper with Fulham, Cambridge United, Preston North End, Lincoln City and others
Other
- John Vaughan (wine merchant), treasurer and librarian of the American Philosophical Society
- John Vaughan (architect), American architect active in 1891 in Salt Lake City, Utah
- John Vaughan (plant scientist), British food scientist
- John Vaughan (bishop), English Catholic bishop
- Johnny Vaughan, English broadcaster and journalist
- John Vaughan (Canon of Windsor), Canon of Windsor
- John Vaughan (naturalist), Canon of Winchester, rector of Droxford and naturalist
- Jon the Dentist, British music record producer