Hirth is a surname. Notable people with this surname include:

  • Friedrich Hirth Ph.D. (1845–1927), German-American sinologist
  • Georg Hirth (1841–1916), German writer, journalist and publisher
  • Greg Hirth (born 1963), American geophysicist
  • Hellmuth Hirth (1886–1938), German engineer who founded the Mahle GmbH and Hirth companies
  • John Joseph Hirth (1854–1931), Catholic Bishop in German East Africa
  • Wolf Hirth (1900–1959), German gliding pioneer and sailplane designer

See also

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  • Hirth, aircraft engine manufacturer based in Benningen, Germany
  • Hirthia, a genus of tropical freshwater snails
  • Ghirth, a Hindu agricultural caste in Himachal Pradesh, North India