Phenomenon is the third studio album by English rock band UFO, released in May 1974.

It was the band's first album after guitarist Michael Schenker joined them, replacing Mick Bolton.

Their third studio album, Phenomenon was UFO's debut with major label Chrysalis Records and their first to be released in the United States.

When I play it live now, I use the most memorable parts of the solo, and keep a space to represent my latest frame of mind."

– Michael Schenker[7]The album was produced by Leo Lyons, bassist of English rock group Ten Years After.