Under Cover is a cover album by heavy metal singer Ozzy Osbourne. It was released 1 November, 2005. It peaked at number 134 on the Billboard 200. It features guitarist Jerry Cantrell of Alice in Chains fame, Chris Wyse of The Cult and Mike Bordin of Faith No More.
"Mississippi Queen" was released as a single and peaked at number 10 on the Hot Mainstream Rock Tracks.
Nine of the album's thirteen tracks were also released as part of the four-disc compilation Prince of Darkness, released earlier the same year.
The album is also available in DualDisc format. This version contains the bonus track "Changes" (originally by Black Sabbath), performed by Osbourne and his daughter Kelly Osbourne. The DVD side contains all the songs in enhanced stereo, a documentary entitled Dinner with Ozzy and Friends, and a video for the song "In My Life".