Ian Anderson (born 1947) is a British musician, best known as the leader of the rock band Jethro Tull.

Ian Anderson may also refer to:

Arts and entertainment Ian A. Anderson (born 1947), English folk musician and editor of fRoots magazine Ian M. Anderson (born 1985), American entrepreneur, founder of Afternoon Records Ian Lloyd Anderson (born 1987), Irish actor Ian R. Anderson, vocalist of UK bands Crazyhead and The Scavengers Ian Anderson, founder of the British design studio The Designers Republic

Sports Ian Anderson (New Zealand cricketer) (1922–1977), New Zealand cricketer Ian Anderson (South African cricketer) (born 1935), South African cricketer Ian Anderson (snooker player) (born 1946), Australian snooker player Ian Anderson (Australian footballer) (born 1948), Australian rules footballer Ian Anderson (Scottish footballer) (1954–2008), Scottish football defender Ian Anderson (baseball) (born 1998), American baseball player

Others Ian Anderson (Manx politician) (1925–2005), Manx (Isle of Man) politician and president of the Legislative Council Ian Anderson (British politician) (1953–2011), British National Front leader Ian Anderson (social scientist) (born 1965), Australian academic and senior public servant

See also Iain Anderson (disambiguation) Jan Anderson (disambiguation)