John Green (born 1977) is an American author and YouTube content creator.

John or Johnny Green may also refer to:

• John Green (painter) (died 1802), American-born Bermudian painter
• Johnny Green (1908–1989), American composer and inductee of the Songwriters Hall of Fame
• John Willison Green (1927–2016), Canadian journalist and prominent "Bigfoot" researcher
• John M. Green (born 1953), Australian author and publisher
• Johnny Green (director) (born 1967), English director of commercials and short films
• John Green (producer), American TV producer for ABC News
• John Patrick Green, American comic artist and writer

• John Green (Medal of Honor) (1825–1908), German-born American soldier and recipient of the Medal of Honor
• Sir John Green (Royal Navy officer) (1866–1948), British admiral
• John Leslie Green (1888–1916), English Victoria Cross recipient
• John Francis Green (1946–1975), Irish Provisional Irish Republican Army member
• John Green (priest) (born 1953), British Chaplain of the Fleet and Director General, Naval Chaplaincy Service

• John Green (speaker) (1400–1473), Speaker of the House of Commons of England
• John W. Green (1781–1834), American judge and Supreme Court of Virginia justice
• John Green (judge) (1807–1887), American judge and Indiana state senator
• John Green (Wisconsin politician) (fl. 1867), American military officer and Wisconsin state assemblyman
• John Patterson Green (1845–1940), American attorney, politician, public servant and writer
• John Greene (Kilkenny MP) (died 1883), Irish Member of Parliament in the British House of Commons, sometimes referred to as John Green
• John Aloysius Green (1844–1920), American mine owner and Iowa state senator
• John W. Green (Missouri politician) (fl. 1948–1954), member of the Missouri House of Representatives
• John Green (Australian politician) (1945–2020), Tasmanian politician
• John Green (Idaho politician) (born 1959), American politician, attorney, and former peace officer from Idaho

• John Henry Green (1636–1685), English physician and philanthropist
• John Green (bishop) (1706–1779), British clergyman and academic
• John Green (1787–1852), English architect and one half of the father-and-son architectural team
• John Cleve Green (1800–1875), China merchant
• John Richard Green (1837–1883), English historian
• John Green (agriculturalist) (1862–1953), British agriculturalist
• John Green (educationalist) (1867–1922), British educationalist and professor of education
• John Frederick Norman Green (1873–1949), English geologist
• John Green (unionist) (1896–1957), Scottish-born American labor union leader
• John Green (botanist) (born 1930), Australian botanist
• John S. A. Green (1931–2012), British meteorologist
• John Green (headmaster) (born 1967), British rugby player and schoolmaster
• John C. Green, American academic and director of the Ray C. Bliss Institute of Applied Politics
• John Green (sociologist), American sociologist

• "John Deere Green", a song from the 1993 album Honky Tonk Attitude by American country-music singer Joe Diffie
• St. John Green, a psychedelic rock band with one self-titled LP from 1968

• All pages with titles beginning with John Green
• Jack Green (disambiguation)
• John Greene (disambiguation)
• Jon Green (born 1985), rugby league player
• Jonathan Green (disambiguation)
• John Greer (disambiguation)

This disambiguation page lists articles about people with the same name.
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