Hooker is a surname, and may refer to
- Brian Hooker
- Earl Hooker
- Evelyn Hooker, Dr. (1907–1996), American psychologist who showed in the 1950s that gay people cannot be distinguished from straight ones by their mental state or capacity
- Isabella Beecher Hooker
- Jake Hooker
- John Hooker (English constitutionalist)
- John Jay Hooker
- John Lee Hooker (1917–2001), American blues singer and guitarist
- Joseph Dalton Hooker (1817–1911), English botanist (son of William Jackson Hooker)
- Joseph Hooker (1814–1879), American Civil War General
- Morna Hooker
- Reginald Hawthorn Hooker, English statistician (son of Joseph Dalton Hooker)
- Richard Hooker (1554–1600), Anglican theologian
- Richard Hooker, pseudonym of H. Richard Hornberger (1924–1997), Author of M*A*S*H
- Stanley George Hooker (1907–1984), English aero-engine designer
- Thomas Hooker (1586–1647), Puritan leader
- William Hooker (musician)
- William Jackson Hooker (1785–1865), English botanist
- Worthington Hooker, American physician
Hooker may also refer to:
- a colloquial term for a prostitute
- a position in rugby union or rugby league
- an expert practitioner of catch wrestling who has an expanded knowledge of joint locks and muscle holds and can end a fight in seconds if needed to.
- Hooker Glacier, a glacier close to the slopes of Mount Cook in the Southern Alps of New Zealand
- Hooker Island in the Franz Josef Land, Russia
- Hooker, Oklahoma
- Galway Hooker, a traditional sailing vessel from the west coast of Ireland
- Title of Lou Thesz's book on Professional Wrestling
- The former name of rock band Aerosmith
- The 100 inch Hooker Telescope at Mount Wilson Observatory
- T.J. Hooker, a 1980s crime drama
