Underhill (surname)
Underhill is a surname. Notable people with the surname include:
- Barbara Underhill (born 1963), Canadian figure skater
- Beth Underhill (born 1962), Canadian equestrian
- Cave Underhill (1634 – c. 1710), English actor
- Evelyn Underhill (1875–1941), British writer
- Frank Underhill (1889–1971), Canadian historian and social activist
- George Lees Underhill (1813–1881), iron merchant who became thirteenth Mayor of Wolverhampton, 1861/62
- Henry Underhill (1914–1993), British politician
- Hercules Underhill (died 1650), who confirmed the sale of New Place to William Shakespeare
- Hugh Underhill (1518–1593), English keeper of the wardrobe under Queen Elizabeth I
- Captain John Underhill (1597–1672), English colonist and soldier in the Massachusetts Bay Colony
- John Edward Underhill (1574–1608), English diplomat and exile
- Isaac Underhill Willets (1819–1899), a prominent Long Island farm owner
- John Q. Underhill (1848–1907), American politician
- John R. Underhill (born 1961), British geologist and football referee
- Martyn Underhill (born 1958), Detective and Police and Crime Commissioner Dorset
- Paco Underhill, American environmental psychologist
- Robert L. M. Underhill (1889–1983), American mountaineer
- Roy Underhill (born 1950), American woodwright and host of the television series "The Woodwright's Shop"
- Steven Underhill (born 1962), American photographer
- Wilbur Underhill, Jr. (1901–1934), American criminal, burglar, bank robber and Depression-era outlaw
- William Underhill (died 1570), who purchased New Place
Fictional characters:
- Ted Underhill, character in the films Fletch (film) and Fletch Lives
- Susan Underhill (aka Betty Jo Bialosky), character from The Further Adventures of Nick Danger by Firesign Theater