Henry Hellyer was an explorer in north west Tasmania during the 1820s.

Places in the region named after him include:

  • Hellyer Gorge
  • Hellyer College, college in Tasmania, Australia
  • Hellyer County Park
  • Hellyer Park Velodrome, a velodrome in Hellyer County Park
  • Hellyer River

Other notable people named Hellyer include:

  • Albert Hellyer (died 1945), Canadian politician
  • Arthur Hellyer (1902–1993), British horticulturist
  • Arthur Lawrence Hellyer Jr. (1923–2018), radio host
  • H. A. Hellyer, British academic and author on European affairs and relations with the Muslim world
  • Jill Hellyer (1925–2012), Australian poet and writer
  • Jonathan Hellyer (born 1967), English singer, theatre director and drag actor
  • Paul Hellyer (1923–2021), Canadian politician and Minister of National Defence
  • Peter Hellyer (1947–2023), British film-maker, journalist, historian and archaeologist
  • Thomas Hellyer (1840–1889), 19th-century Australian politician
  • Thomas Hellyer (architect) (1811–1894), 19th-century English architect<!--http://sculpture.gla.ac.uk/view/person.php?id=ann_1286887508-->
  • William Hellyer (died 1885), Australian politician