Ian Scott Anderson MBE (born 10 August 1947) is a Scottish-born British musician, singer and songwriter best known for his work as the lead vocalist, flautist and acoustic guitarist of British rock band Jethro Tull. Anderson is a multi-instrumentalist who plays keyboards, bass guitar, bouzouki, balalaika, saxophone, harmonica, and a variety of whistles. His solo work began with the 1983 album Walk into Light, and since then he has released another five works, including the sequel to the Jethro Tull album Thick as a Brick (1972) in 2012, entitled Thick as a Brick 2.

Anderson is the youngest of three brothers. The oldest of the three, Robin, became administrator of Scottish Ballet in 1973.

From 1970 to1974, Anderson was married to Jennie Franks, a photographer who is credited with some of the lyrics to the first couple of verses of the song "Aqualung" a Jethro Tull classic.

Anderson married Shona Learoyd in 1976, described by Rolling Stone magazine as a "beautiful convent-educated daughter of a wealthy wool manufacturer". She had studied ballet for 10 years, though when Anderson met her she was working as a press officer at Jethro Tull's record label at the time, Chrysalis Records. She later became involved with the band's on-stage special effects.

Ian Anderson has revealed he’s suffering from COPD (chronic obstructive pulmonary disease) and was diagnosed with the lung condition in 2018.

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