"Back to the 80s" is a song by Norwegian-Danish band Aqua. The song was written by members Søren Rasted, Claus Norreen, and produced by Rasted, for their second greatest hits album (2009). "Back to the 80s" was Aqua's first single in eight years, following the release of the 2001 single "We Belong to the Sea". "Back to the 80s" was released on 25 May 2009 as the lead single from Greatest Hits and topped the Danish Singles Chart for six weeks.

Aqua is a Danish-Norwegian Europop band, best known for their 1997 single "Barbie Girl". The group formed in 1995 in Copenhagen and achieved international success around the globe in the late 1990s and early 2000s. The band released three albums: Aquarium in 1997, Aquarius in 2000 and Megalomania in 2011. The group sold an estimated 33 million albums and singles, making them the most profitable Danish band ever.