John Campbell may refer to:
Academia
- John Francis Campbell (1821âÂÂ1885), scholar of Celtic folklore and language; inventor
- John Edward Campbell (1862âÂÂ1924), mathematician credited for the Campbell-Hausdorff formula
- John Lorne Campbell (1906âÂÂ1996), Scottish historian, farmer, environmentalist, and folklore scholar
- John R. Campbell (1933âÂÂ2018), American dairy scientist and university administrator
- John Campbell (casting scientist) (born 1938), British engineer
- John Angus Campbell (born 1942), retired American professor of rhetoric
- John Campbell (philosopher) (born 1956), professor of philosophy at the University of California
- John Y. Campbell (born 1958), professor of economics at Harvard University
Business
Literature and journalism
Military
- John Campbell, 4th Earl of Loudoun (1705âÂÂ1782), general in North America
- John Campbell, of Strachur (1727âÂÂ1806), general at Pensacola in the West Florida province
- John Campbell of Stonefield (1753âÂÂ1784), lieutenantâÂÂcolonel at Mangalore
- John Campbell (British Army officer, died 1804), British colonel and lieutenant-governor of Plymouth
- John B. Campbell (1777âÂÂ1814), soldier during the War of 1812
- John Campbell (Indian Army officer, born 1802) (1802âÂÂ1878), British general
- Sir John Campbell, 2nd Baronet (1807âÂÂ1855), major-general, killed in attack upon the Redan at Sevastopol
- Sir John Campbell, 1st Baronet (1836âÂÂ1915), major-general, R.A., served in Crimea, China, Afghan War, Zhob Valley
- John Hasluck Campbell (1855âÂÂ1921), brigadier, Sutherland Highlanders, served in First World War
- John Vaughan Campbell (1876âÂÂ1944), Victoria Cross recipient, brigadier-general, First World War, ADC to the King 1919âÂÂ1938
- Jock Campbell (British Army officer) or John Charles Campbell (1894âÂÂ1942), major-general and Victoria Cross recipient
- John F. Campbell (general) (born 1954), U.S. Army general
Music
Politics
Australia
Canada
United Kingdom
- John Campbell, Earl of Atholl (died 1333), Scottish nobleman
- Sir John Campbell of Cawdor (nobleman) (c. 1490 â 1546), Scottish nobleman
- John Campbell of Lundy (died 1562), Scottish lawyer and courtier
- John Campbell, 3rd of Cawdor (1576âÂÂ1642), Scottish nobleman and knight
- John Campbell, 1st Earl of Loudoun (1598âÂÂ1661), Lord Chancellor of Scotland, president of the Privy Council
- John Campbell, 1st Earl of Breadalbane and Holland (1636âÂÂ1717), Scottish MP for Argyllshire, 1669âÂÂ1674
- John Campbell of Shankstown, Scottish soldier and member of the Parliament of Scotland
- John Campbell of Mamore (c. 1660âÂÂ1729), MP for Dunbartonshire, 1708âÂÂ1722 and 1725âÂÂ1727
- John Campbell, 2nd Earl of Breadalbane and Holland (1662âÂÂ1752), Lord Lieutenant of Perthshire, Chief Justice in Eyre
- John Campbell (Edinburgh MP) (1664âÂÂ1739), Scottish politician
- John Campbell, 2nd Duke of Argyll (1678âÂÂ1743), Scottish soldier, Lord Steward, Lord Lieutenant of Surrey
- John Campbell, 4th Duke of Argyll (1693âÂÂ1770), Scottish Whig politician
- John Campbell of Cawdor (1695âÂÂ1777), British MP for Pembrokeshire 1727âÂÂ1747, Inverness Burghs 1754âÂÂ1761, Corfe Castle 1762âÂÂ1768
- John Campbell, 3rd Earl of Breadalbane and Holland (1696âÂÂ1782), Scottish MP for Saltash and Ordford, Master of the Jewel Office, ViceâÂÂAdmiral of Scotland
- John Campbell, 5th Duke of Argyll (1723âÂÂ1806), Scottish MP for Glasgow Burghs and for Dover, Lord Lieutenant of Argyllshire
- John Campbell (1750âÂÂ1826), Scottish lawyer and politician, MP for Ayr Burghs 1794âÂÂ1807
- John Campbell, 1st Baron Cawdor (1753âÂÂ1821), British politician, MP for Nairnshire 1777âÂÂ1780 and for Cardigan Boroughs 1780âÂÂ1796
- John Campbell, 1st Marquess of Breadalbane (1762âÂÂ1834), also 4th Earl of Breadalbane and Holland
- John Campbell (1770âÂÂ1809), Scottish politician, MP for Ayr Burghs 1807âÂÂ1809, first husband of Lady Charlotte Bury
- John Campbell, 7th Duke of Argyll (1777âÂÂ1847), Scottish MP for Argyllshire 1799âÂÂ1820, Keeper of the Great Seal of Scotland
- John Campbell, 1st Baron Campbell (1779âÂÂ1861), British MP for Stafford, Dudley and Edinburgh, Lord Chief Justice and Lord Chancellor of England
- John Campbell, 1st Earl Cawdor (1790âÂÂ1860), British earl and MP for Carmarthen from 1813 to 1821
- John Campbell, 2nd Marquess of Breadalbane (1796âÂÂ1862), British MP for Okehampton and for Perthshire, Lord Chamberlain of the Household
- John Campbell (1798âÂÂ1830), MP for Dunbartonshire, 1826âÂÂ1830
- John Campbell-Wyndham (1798âÂÂ1869), known as John Henry Campbell, Member of the United Kingdom Parliament for Salisbury, 1843âÂÂ1847
- John Campbell, 2nd Earl Cawdor (1817âÂÂ1898), British politician, MP for Pembrokeshire 1841âÂÂ1860
- John Campbell, 9th Duke of Argyll (1845âÂÂ1914), Scottish MP for Argyllshire 1868âÂÂ1878 and Manchester South 1895âÂÂ1900, Governor General of Canada 1878âÂÂ1883
- John Campbell (Irish surgeon) (1862âÂÂ1929), Member of the Northern Ireland Parliament
- John Gordon Drummond Campbell (1864âÂÂ1935), British Member of Parliament for Kingston upon Thames, 1918âÂÂ1922
- John Campbell (Irish politician) (1870âÂÂ?), Member of the United Kingdom Parliament for South Armagh 1900âÂÂ1906
- John Campbell (Labour politician) (died 1937), Northern Irish trade unionist and Northern Ireland Labour Party councillor
- J. R. Campbell (communist) (John Ross Campbell, 1894âÂÂ1969), Scottish communist activist and newspaper editor
- John Dermot Campbell (1898âÂÂ1945), Northern Irish businessman and Ulster Unionist MP
- John Campbell, 5th Earl Cawdor (1900âÂÂ1970), Scottish peer
United States
- John Campbell (1765âÂÂ1828), congressman from Maryland
- John Wilson Campbell (1782âÂÂ1833), U.S. federal judge & congressman from Ohio
- John Campbell (Arkansas politician) (died 1879) state senator and delegate at the secession convention
- John Campbell (South Carolina politician) (died 1845), congressman from South Carolina
- John Campbell (US Treasurer) (1789âÂÂc. 1866), fifth Treasurer of the United States
- John Hull Campbell (1800âÂÂ1868), congressman from Pennsylvania
- John Archibald Campbell (1811âÂÂ1889), U.S. Supreme Court justice & Confederate official
- SS John A. Campbell, a Liberty ship
- John P. Campbell Jr. (1820âÂÂ1888), congressman from Kentucky
- John Arthur Campbell (1823âÂÂ1886), Virginia lawyer and politician
- John G. Campbell (1827âÂÂ1903), U.S. territorial delegate from Arizona
- John Allen Campbell (1835âÂÂ1880), Wyoming's first provisional governor
- John T. Campbell, 19th-century California state legislator with Civil War army service
- John Tucker Campbell (1912âÂÂ1991), secretary of state of South Carolina
- John Campbell (diplomat) (born 1944), diplomat
- John F. Campbell (politician) (born 1954), Vermont state senator
- John Campbell (California politician) (born 1955), congressman from California
- John M. Campbell (judge) (born 1953), judge on the Superior Court of the District of Columbia
Other countries
Sports
- John Argentine Campbell (1877âÂÂ1917), Scottish rugby union player
- John Campbell (American football) (1938âÂÂ2024), American football player
- John Campbell (Australian rower) (born 1942), Australian Olympic rower
- John Campbell (baseball) (1907âÂÂ1995), Washington Senators pitcher
- John Campbell (cricketer) (born 1993), Jamaican cricketer
- John Campbell (curler), New Zealand curler and curling coach.
- John Campbell (footballer, born 1850s), Glasgow South Western and Scotland winger
- John Campbell (footballer, born 1869) (1869âÂÂ1906), Sunderland and Newcastle United forward
- John Campbell (footballer, born 1872) (1872âÂÂ1947), Celtic and Aston Villa forward
- John Campbell (footballer, born 1877) (1877âÂÂ1919), Blackburn Rovers, Rangers and Scotland forward
- John Campbell (footballer, born 1988), English footballer
- John Campbell (harness racing) (born 1955), Canadian harness racing driver
- John Campbell (rower) (1899âÂÂ1939), British rower and Olympic silver medalist
- John Campbell (rugby) (1889âÂÂ1966), Australian rugby league footballer
- John Campbell (runner) (born 1949), New Zealand long-distance runner
- John Campbell (skier) (born 1962), alpine skier from the Virgin Islands
- John Campbell (snooker player) (born 1953), Australian snooker player
- John Campbell (shot putter), winner of the 1985 NCAA DI outdoor shot put championship
- John Cyril Campbell, English athlete and football coach
Religion
- John Campbell (17th-century minister), prisoner on the Bass Rock
- John Campbell (bishop of Argyll) (died 1613), Scottish clergyman
- John Campbell of Sorn, 17th-century Scottish minister
- John Campbell (missionary) (1766âÂÂ1840), Scottish missionary in South Africa
- John Campbell (19th-century minister) (1795âÂÂ1867), minister of Whitefield's Tabernacle, Moorfields, London
- John Nicholson Campbell (1798âÂÂ1864), Presbyterian clergyman who served as Chaplain of the United States House of Representatives
- John McLeod Campbell (1800âÂÂ1872), Scottish minister and theologian
- John McLeod Campbell (priest) (1884âÂÂ1961), English Anglican priest
- John Campbell (moderator) (1758âÂÂ1828), Church of Scotland minister and Moderator of the General Assembly
Other people
- John Campbell, Lord Stonefield (c. 1720 â 1801) Scottish judge
- John Campbell of Clathick, Scottish merchant and philanthropist, Lord Provost of Glasgow
- John Henry Campbell (painter) (1757âÂÂ1829), Irish painter and father of Cecilia Margaret Nairn
- John Campbell (Scottish surgeon) (1784âÂÂ1867), president of the Royal College of Surgeons of Edinburgh
- John Gregorson Campbell (1836âÂÂ1891), Scottish folklorist and Free Church minister
- John Hodgson Campbell (1855âÂÂ1927), British painter
- John Campbell (architect) (1857âÂÂ1942), practised in New Zealand
- John C. Campbell (1867âÂÂ1919), American educator known for surveying life in the Appalachians
- John H. Campbell (1868âÂÂ1928), American judge, associate justice on Arizona's territorial supreme court
- John Patrick Campbell, (1883âÂÂ1962), Belfast artist and illustrator
- John Menzies Campbell (1887âÂÂ1974), Scottish dentist and dental historian
- John Maurice Hardman Campbell (1891âÂÂ1973), British physician, cardiologist, and medical journal editor
- John Campbell (YouTuber) (fl. 2010s), British social media influencer and retired nurse educator
- John Campbell or Greg Abbey, American voice actor
- Constable John Campbell, awarded the George Medal for his part in foiling the Linwood bank robbery
See also