John Stuart may refer to:
- Sir John Stuart, 4th Baronet (died 1821), MP for Kincardineshire
- John Stuart, 3rd Earl of Bute (1713–1792), Prime Minister of Great Britain from 1762–1763
- John Stuart (loyalist) (1718–1779), British Superintendent of Indian Affairs in the southern colonies during the American Revolution
- John Stuart (1743–1821), reviser of the New Testament in Scottish Gaelic
- John Stuart, 1st Marquess of Bute (1744–1814)
- John Stuart (Virginia) (1749–1823), western Virginia settler and soldier at the Battle of Point Pleasant
- John Stuart, Count of Maida (1759–1815), British soldier, lieutenant-general during the Napoleonic Wars
- John Stuart (explorer) (1780–1847), Canadian explorer
- John Stuart (judge) (1793–1876), British Conservative MP 1846–1852, judge from 1852
- John T. Stuart (1807–1885), U.S. Representative from Illinois and law partner of Abraham Lincoln
- John McDouall Stuart (1815–1866), explorer, the first European to successfully traverse Australia from south to north
- John Stuart (genealogist) (1813–1877), Scottish antiquarian, genealogist
- John Stuart (Canadian politician) (1830–1913), Member of Parliament in the late 19th century
- John Stuart (Nova Scotia politician) (1752–1835), lawyer and politician in Nova Scotia
- John Stuart, co-founder of locomotive builders Kerr Stuart
- John Stuart (CEO) (1877–1969), CEO of the Quaker Oats Company
- John Stuart (actor) (1898–1979), Scottish actor
- John Leighton Stuart (1876–1962), President of Yenching University and later United States ambassador to China
- John Stuart, 12th Earl of Moray (1797–1867), Scottish soldier and politician
- John Stuart, Jr. (1912–1997), one of the heirs to the Quaker Oats Company fortune
- John Stuart, Lord Mount Stuart (1767–1794), Scottish Tory politician
- John Trevor Stuart (born 1929), British mathematician
Famous quotes containing the words john and/or stuart:
“This is my commandment, that ye love one another.”
—Bible: New Testament Jesus, in John 15:12.
“... it seems to have been my luck to stumble into various forms of progress, to which I have been of the smallest possible use; yet for whose sake I have suffered the discomfort attending all action in moral improvements, without the happiness of knowing that this was clearly quite worth while.”
—Elizabeth Stuart Phelps (18441911)