William Hamilton (disambiguation)

William Hamilton may refer to:

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  William Hamilton (1739–1813), British astronomer and mathematician

  An 18th–19th century British mathematician and astronomer known for Hamilton’s astronomical work.

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  William Rowan Hamilton (1805–1865), Irish physicist and mathematician

  An Irish physicist and mathematician famous for major contributions to classical mechanics (including Hamiltonian mechanics).

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  William Hamilton (merchant) (c. 1660–1729), Scottish-born merchant and shipowner in New York

  A notable merchant and shipowner associated with early New York commerce.

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  William Hamilton (journalist) (died 1775), Scottish writer and journalist

  A Scottish journalist and writer known for his 18th-century publications.