"Champagne Supernova" is a song by English rock band Oasis, written by Noel Gallagher. It is the closing track on the band's second studio album, (What's the Story) Morning Glory? (1995), and was released as the sixth and final single from the album in Australia, France, and New Zealand on 13 May 1996.
The Jam frontman Paul Weller appears as a guest guitarist and backing vocalist on the track. A music video for the song, directed by Nigel Dick, was released in 1996. The single was not released in the UK.
The song was released in the United States as a radio single, becoming the band's second No. 1 single on the Modern Rock Tracks chart. It also peaked at No. 20 on the Billboard Hot 100 Airplay, becoming the band's third top 40 single on that chart.
The song is included on the band's greatest hits album Stop the Clocks and on the US release of Time Flies... 1994–2009. Supernova SN 2003fg was nicknamed "Champagne Supernova" after the song.