John Gardner
John Gardner is the name of the following people:
- John Gardner (politician, 1697) (1697–1764) British lawyer, politician and officer
- John Gardner (politician, 1747) (1747–1808), American farmer and politician (Rhode Island)
- John Gardner (composer) (1917–2011), British composer
- John Gardner (writer, 1926) (1926-2007), British author of espionage and crime novels
- John Gardner (writer, 1933) (1933–1982), American author
- John Gardner (legal philosopher) (1965–2019), British legal philosopher
- John Edmund Gardner (1926-2007), British writer
- John J. Gardner (1845–1921), American politician
- John Lowell Gardner (1837–1898), American businessman, art collector and patron
- John Starkie Gardner (1844–1930), British entrepreneur, weapons historian, geologist and botanist
- John W. Gardner (1912–2002), American politician