John Day, John Daye or Jon Day may refer to:
People
Politicians
- John Day (Nova Scotia legislator) (died 1775), merchant and politician in Nova Scotia
- John Day Jr. (died 1792), soldier and political figure in Nova Scotia
- John Day (Liberian judge) (1797–1859), Liberian politician and judge
- John Charles Day (1826–1908), English judge
- John Adam Day (1901–1966), politician in Devon, England
- John Day (Indiana politician) (born 1937), Democratic member of the Indiana House of Representatives
- John Day (Australian politician) (born 1955), Western Australian politician
- John Day, Transport Workers Union of America Local 100 Vice President
Sportspeople
- John Barham Day (1793–1860), English jockey and trainer
- John Day (cricketer, born 1812), English cricketer
- John Day (horseman) (1819–1883), English jockey and trainer
- John B. Day (1847–1925), manager of the New York Giants in 1899
- John Day (jockey) (1856–1885) Australian champion pedestrian and 1870 Melbourne Cup winner
- John Day (cricketer, born 1881) (1881–1949), English cricketer
Other people
- John Day (merchant) (fl. 1497–98), English merchant, author of a letter referring to existence of lost book Inventio Fortunata
- John Day (printer) (c. 1522–1584), English Protestant printer, also known as John Daye
- John Day (dramatist) (1574–c. 1638), English dramatist
- John Day (carpenter) (c. 1740–1774), first recorded death in a submarine
- John Day (trapper) (c. 1770–1820), American hunter and trapper
- John Day (architect) (fl. 1798–1802), Irish architect from County Wexford
- John Day (priest) (1802–1879), clergyman in the Church of Ireland
- John Day (botanist) (1824–1888), English orchid collector and illustrator
- John Medway Day (1838–1905), Australian journalist and activist
- John Other Day (fl. 1862–1912), Native American who sought peace between Indian tribes and white settlers
- John H. Day (1909–1989), South African marine biologist and invertebrate zoologist
- John A. Day (1913–2008), American meteorologist, educator and sky-watching evangelist
- John Day (historian) (1924–2003), American historian
- John Day (computer scientist) (born 1947), ARPANET pioneer and early RFC contributor
- John Day (RAF officer) (1947–2024), British air marshal
- Johnny Daye (1948–2017), American soul music singer
- John Day (biblical scholar) (born 1948), professor of Old Testament Studies
- Jon Day (born 1954), British civil servant
- Jon Day (born 1962), member of The Charlatans
- Jon Day (writer) (fl. 2010s), British writer, critic and academic
Places
- John Day, Oregon, a city
- John Day River, a tributary of the Columbia River in northeastern Oregon
- John Day River (northwestern Oregon), a different tributary of the Columbia River
Other uses
- John Day (film), a 2013 Indian film
- John Day Company, a New York publisher founded in 1926
See also
- John Day Dam, a dam on the Columbia River
- John Day Fossil Beds National Monument
This disambiguation page lists articles associated with the title John Day.If an internal link led you here, you may wish to change the link to point directly to the intended article. Categories: