The name John Green may refer to:
- Jack N. Green (born 1945 as John Newton Green), American cinematographer
- John Green (author), Michael L. Printz Award winning Young Adult writer
- John Green (botanist) (born 1930)
- John Green (composer) (1908–1989), Inductee of the Songwriters Hall of Fame
- John Green (DGNCS), Chaplain of the Fleet and Director General, Naval Chaplaincy Service
- John Green (US Army officer), American soldier
- John C. Green, Director of the Ray C. Bliss Institute of Applied Politics
- John Richard Green, English historian
- John W. Green (judge) (1781–1834), Virginia state supreme court justice
- John Willison Green, Prominent "Bigfoot" researcher
- John Green (football player), former NFL player
- John Green (Judge), (1807-1887) Indiana State Senator
- John Green (mucician), a member of slipknot
- John Green (Australian politician), a politician in the state of Tasmania, Australia

