John Haldane may refer to:
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John Haldane (MP) (1660–1721), MP for Scotland
in the 1st Parliament of Great Britain
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John Scott Haldane
John Scott Haldane (; 2 May 1860 – 14/15 March 1936) was a British physician and physiologist famous for intrepid self-experimentation which led to many important discoveries about the human body and the nature of gases. He also experimen ...
(1860–1936), British physiologist
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John Haldane (priest)
John Bernard Haldane was an Anglican priest in the 20th century. He was born on 27 May 1881 and educated at Keble College, Oxford. Ordained in 1905 after a period of study at Ripon College Cuddesdon he began his career as Assistant Curate of St ...
(1881–1938), Provost of Southwark
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John Burdon Sanderson Haldane (1892–1964), British biologist
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John Haldane (philosopher) (born 1954), British philosopher
{{hndis, Haldane, John