William Bate may refer to:

William Bates (Quaker) (died 1700), or Bate, founder of Newton Colony, the third English settlement in West New Jersey William Thornton Bate (1818–1857), British naval officer William B. Bate (1826–1905), American soldier and politician William Bate Hardy (1864–1934), British biologist and Fellow of the Royal Society William J. Bate (1934–2011), New Jersey politician and judge

See also William Bates (disambiguation)