John Forrest (1847–1918) was an Australian explorer and politician who served as the first Premier of Western Australia.

John Forrest may also refer to:

• Jack Forrest (footballer, born 1878) (1878–?), Scottish footballer
• John Forrest (Victorian politician) (born 1949), Australian politician
• Jack Forrest (rugby league) (John Alexander Forrest) (1924–2016), New Zealand international
• John F. Forrest (1927–1997), U.S. Army general
• John Forrest (Canadian clergyman) (1842–1920), Presbyterian clergyman and educator
• John Forrest (physician) (1804–1865), British Military medical officer
• John N. Forrest (~1827–1867), an American slave jailor
• John Forrest (footballer) (born 1947), English footballer
• John Forrest (martyr) (1471–1538), friar and martyr
• John Forrest (producer), British radio and television producer
• John Forrest (rugby union) (1917–1942), Scottish rugby union international
• John Forrest (1931-2012), American-British actor and stage magician
• John Samuel Forrest (1907–1992), Scottish physicist, author and professor
• Sir John Forrest, 2nd Baronet, of the Forrest baronets of Scotland

• John Forrest National Park, Western Australia
• John Forrest Secondary College, Morley, Western Australia
• Jack Forrest (disambiguation)
• John Forest (disambiguation)
• John Forrest Dillon (1831–1914), American jurist
• John Forrest Kelly (1859–1922), Irish-born American electrical engineer

This disambiguation page lists articles about people with the same name.
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