"Unintended" es un sencillo de la banda inglesa de rock alternativo Muse. Es el quinto y último sencillo de su álbum debut Showbiz. La canción también aparece tocada en directo en los álbumes Hullabaloo Soundtrack y H.A.A.R.P.

"Unintended" is the fifth single by English alternative rock band Muse, and the fifth and final original from their debut album, Showbiz released in 1999. The song was also released on 7" vinyl—backed with a live version of "Sober"—, double CD—backed with "Recess", a live acoustic version of "Falling Down", "Nishe" and a live acoustic version of "Hate This & I'll Love You"—and cassette—backed with "Recess"—on 5 June 2000 and reached number 20 in the UK Singles Chart—an improvement of 2 positions on "Sunburn" and the highest of all the singles from the album.