Liderado siempre por Ian Anderson, Jethro Tull ha cambiado constantemente de componentes:

Ian Anderson, voz, guitarra, flauta
Mick Abrahams, guitarra (1968)
Martin Barre, guitarra (desde 1969)

Glenn Cornick, bajo (1968-1970)
Jeffrey Hammond-Hammond, bajo (1971-1975)
John Glascock, bajo (1976-1980)
Dave Pegg, bajo (1980)
 
 

 

Clive Bunker, batería (1968-1971)
Barriemore Barlow, batería (1972-1980)
Mark Craney, batería (1980)

John Evan, teclados (1970-1980)
David Palmer, teclados (1977-1980)
Eddie Jobson, teclados, violín (1980)

This Was (1968)
Stand Up (1969)
Benefit (1970)
Aqualung (1971)
Thick as a Brick (1972)
Living in the past (1972)
A Passion Play (1973)
Warchild (1974)
Minstrel in the Gallery (1975)
M.U. The Best of Jethro Tull (1976)
Too Old to Rock & Roll : Too Young to Die (1976)
Songs from the Wood (1977)
Repeat. The Best of Jethro Tull Vol. II (1977)
Heavy Horses (1978)
Bursting out (1978), en directo
Stormwatch (1979)

A (1980)
Broadsword and the Beast (1982)
Under Wraps (1984)
Original Masters (1985)
Crest of a Knave (1987)
20 Years of Jethro Tull (1988)
Rock Island (1989)
Catfish Rising (1991)
A Little Light Music (1992)
25th Anniversary 4 CD Box Set (1993)
The Best of Jethro Tull. The Anniversary Collection (1993)
Nightcap (1993)
Roots to Branches (1995)

•  WEB oficial de Jethro Tull
• Jethro Tull Cup of Wonder
• Laufi's Jethro site

 

•  Aqualung