Ian Martin may refer to:
Ian Martin (UN official) (born 1946), English human rights activist and United Nations official Ian Martin (writer) (born 1953), British comedy writer Ian Martin (rugby league) (1951–2026), Australian rugby league footballer Ian Kennedy Martin (1936–2026), British television scriptwriter Ian Martin (actor) (1912–1981), American actor and writer
See also Iain Martin (born 1971), British political journalist