John Vaughan may refer to:
Gentry
- John Vaughan, 1st Earl of Carbery (1574/75âÂÂ1634), Welsh courtier and MP for Carmarthenshire 1601, 1621
- John Vaughan, 3rd Earl of Carbery (1639âÂÂ1713), Governor of Jamaica and President of the Royal Society, MP for Carmarthen 1661 and Carmarthenshire 1679âÂÂ86
- John Vaughan, 1st Viscount Lisburne (1667âÂÂ1721)
- John Vaughan, 2nd Viscount Lisburne (1695âÂÂ1741), MP for Cardiganshire 1727âÂÂ34
- John Vaughan, 3rd Earl of Lisburne (1769âÂÂ1831), MP for Cardigan 1796âÂÂ1818
- Sir John Vaughan (puisne judge) (1768âÂÂ1839), baron of the Exchequer and justice of the Common Pleas
- John Vaughan, 8th Earl of Lisburne (1918âÂÂ2014)
Military
Law and politics
- John Vaughan (died 1577), MP for Herefordshire, Horsham, Surrey, Petersfield, Bletchingley, Hedon, Northumberland, Dartmouth and Grantham
- John Vaughan (died 1574) (1525âÂÂ1574), 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) (1603âÂÂ1674), MP for Cardigan 1628âÂÂ45 and Cardiganshire 1661âÂÂ68, Chief Justice of Common Pleas
- John Vaughan (MP for Montgomery) (c. 1654âÂÂc. 1713), MP for Montgomery 1701âÂÂ05
- John Vaughan (1693âÂÂ1765), MP for Carmarthenshire 1745âÂÂ54
- John Vaughan (died 1804) (c. 1752âÂÂ1804) of Golden Grove, Carmarthenshire, MP for Carmarthenshire, 1779âÂÂ1804
- John Vaughan (Australian politician) (1879âÂÂ1955), Attorney-General of South Australia
- John Vaughan (ironmaster) (1799âÂÂ1868), 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 (1892âÂÂ1965), lawyer and ornithologist; Attorney General of Zanzibar and later of Fiji
Sportsmen
Other
- John Vaughan (wine merchant) (1756âÂÂ1841), 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) (1926âÂÂ2005), British food scientist
- John Vaughan (bishop) (1853âÂÂ1925), English Catholic bishop
- Johnny Vaughan (born 1966), English broadcaster and journalist
- John Vaughan (Canon of Windsor) (died 1499), Canon of Windsor
- John Vaughan (naturalist) (1855âÂÂ1922), Canon of Winchester, rector of Droxford and naturalist
- Jon the Dentist (born 1965), British music record producer
See also