John Milne (1850–1913) was a British geologist and mining engineer.

John Milne may also refer to:

Academia John M. Milne (1850–1905), head of the institution that is today State University of New York at Geneseo

Arts and media John Milne (journalist) (1942–2014), BBC Scotland presenter John Clark Milne (1897–1962), Scottish poet John Milne (sculptor) (1931–1978), English abstract sculptor

Sports Jack Milne (speedway rider) (1907–1995), speedway rider Jackie Milne (1911–1959), Scottish international footballer (Arsenal, Middlesbrough) John Milne (English footballer) (fl. 1888–1894), English footballer (Bolton Wanderers, Manchester City)

Military John Theobald Milne (1895–1917), English fighter pilot and flying ace during the First World War John Milne (British Army officer) (born 1946), British Army general

Politics and law John Milne (judge) (1929–1993), South African judge John Milne (Canadian politician) (1839–1922), Canadian iron moulder, businessman and senator John Milne (British politician), British Liberal Democrat MP for Horsham

Other John Milne (architect) (1823–1904), Scottish architect

See also John Mylne (disambiguation)