John Underhill
John Underhill may refer to:
- Sir John Underhill, courtier to Elizabeth I of England
- John Underhill , English academic and bishop of Oxford
- John Edward Underhill
- John Underhill , English colonist and soldier
- John Q. Underhill, U.S. Representative from New York
- John R. Underhill, British professor of stratigraphy and former Scottish Premier League football referee
- John Garrett Underhill, author and stage producer
- John Garrett Underhill Jr., U.S. Army officer