John Thomas may refer to:
Politics
United Kingdom
John Thomas (c. 1490–1540/42), British Member of Parliament for Truro
John Thomas (c. 1531–1581/90), British Member of Parliament for Mitchell
John Thomas (British politician) (1897–1968), British Member of Parliament for Dover John Thomas (Welsh politician) (1852–?), Welsh county councillor and miners' agent John Thomas, Baron Thomas of Cwmgiedd (born 1947), British judge Sir John Thomas, 1st Baronet, Sheriff of Glamorgan in 1700 John Aeron Thomas (1850–1935), British Member of Parliament for Gower, 1900–1906 John Stradling Thomas (1925–1991), Welsh Conservative Party politician
United States
Elmer Thomas (John William Elmer Thomas, 1876–1965), U.S. Senator from Oklahoma
J. Parnell Thomas (1895–1970), U.S. congressman from New Jersey
John Thomas (Idaho politician) (1874–1945), U.S. Senator from Idaho
John Thomas (New York politician) (1792–1866), New York politician
John Thomas (Ohio politician) (1857–1936), Ohio politician
John Addison Thomas (1811–1858), U.S. Assistant Secretary of State
John Charles Thomas (judge) (born 1950), Virginia supreme court justice
John Chew Thomas (1764–1836), U.S. congressman from Maryland
John E. Thomas (politician) (1829–1910), Wisconsin state assemblyman and senator
John J. Thomas (1813–1895), Confederate politician
John Lewis Thomas Jr. (1835–1893), U.S. congressman from Maryland
John M. Thomas (1926–2012), U.S. Assistant Secretary of State in the 1970s
John O. Thomas (1867–1961), Wisconsin state assemblyman
John R. Thomas (1846–1914), U.S. congressman from Illinois
John W. Thomas (sheriff) (1815–1888), sheriff of Norfolk County, Massachusetts
John W. Thomas (Wisconsin politician) (1846–1925), Wisconsin state legislator and railroad commissioner John W. E. Thomas (1847–1899), American businessman, educator, and Illinois politician John Warwick Thomas (1800–1871), North Carolina state legislator and founder of Thomasville, North Carolina
Military
John Thomas (American general) (1724–1776), American general in the American Revolutionary War John Thomas (colonel) (1720–1811), American colonel in the American Revolutionary War John Thomas (VC) (1886–1954), English soldier and recipient of the Victoria Cross John Wallace Thomas (1888–1965), Newfoundland and Canadian merchant mariner who served in First and Second World Wars John Wellesley Thomas (1822–1908), British military officer
Religion and theology
Jack Thomas (bishop) (John James Absalom Thomas; 1908–1995), Bishop of Swansea and Brecon John Thomas (Christadelphian) (1805–1871), British Christian theologian, and founder of the Christadelphians John Thomas (bishop of Rochester) (1712–1793), previously Dean of Westminster John Thomas (bishop of Salisbury) (1691–1766), previously Bishop of St Asaph and Bishop of Lincoln John Thomas (bishop of Winchester) (1696–1781), previously Bishop of Salisbury John Thomas (priest, born 1736) (1736–1769), Welsh Anglican priest and antiquarian John Thomas (priest, born 1891) (1891–1959), Welsh Anglican priest John Christopher Thomas (born c. 1955), American Pentecostal theologian John H. Thomas (born c. 1950), American clergyman, General Minister and President of the United Church of Christ, 1999–2009 John Lloyd Thomas (1908–1984), Anglican clergyman
Sport
John Thomas (American football) (born 1935), American football player for the San Francisco 49ers John Thomas (athlete) (1941–2013), American high jumper John Thomas (Australian cricketer) (1852–1915), cricketer for Tasmania John Thomas (Australian footballer) (1935–2011), Australian rules footballer for Geelong John Thomas (baseball), American baseball player John Thomas (basketball) (born 1975), American basketball player John Thomas (English cricketer) (1879–1949), cricketer for Somerset John Thomas (figure skater) (born 1960), Canadian ice dancer John Thomas (footballer, born 1958), English footballer for Preston North End and Bolton Wanderers John Thomas (ice hockey) (1936–1995), Australian ice hockey player John Thomas (Irish footballer), Irish international footballer John Thomas (lacrosse) (born 1952), American lacrosse player John Thomas (Welsh footballer) (died 1920), Welsh footballer for Sheffield United and Gainsborough Trinity in the 1890s John Webster Thomas (1900–1977), American college football player for the Chicago Maroons Ron Thomas (bowls) (John Ronald Thomas), Welsh international lawn and indoor bowler