Gilad Atzmon (Hebrew: גלעד עצמון, [ɡiˈlad at͡sˈmon]; born 9 June 1963) is an Israeli-born British jazz saxophonist, novelist, political activist, and writer.

As a musician, he is best known as a saxophonist and bandleader. His instruments include the saxophone, accordion, clarinet, zurna and flute. Atzmon has been known to play over 100 dates a year. He has been bandleader, successively, of the Gilad Atzmon Quartet, the Spiel Acid Jazz Band and the Orient House Ensemble. Exploring identity through the folk forms of diverse cultures, his bands and other projects have recorded around 20 albums. Since 1998, he has also been a member of the English rock band, the Blockheads. He has played on albums by Pink Floyd and Robert Wyatt and collaborated with other musicians on their recordings. He has also produced albums for Sarah Gillespie, Norman Watt-Roy and others.

Atzmon has written satirical novels, non-fiction works and read essays on the subjects of Palestinian rights, Israel and identity politics. These writings have been described by scholars and anti-racism activists as being antisemitic and containing Holocaust denial.