"Wake Up" is an indie rock song by Canadian rock band Arcade Fire. It was the fifth and final single released from the band's debut album, Funeral. The single was released as a one-sided 7" vinyl record on November 14, 2005.

Arcade Fire is a Canadian indie rock band from Montreal, Quebec, consisting of husband and wife Win Butler and Régine Chassagne, alongside Richard Reed Parry, Tim Kingsbury and Jeremy Gara. The band's current touring line-up also includes former core member Sarah Neufeld and multi-instrumentalists Paul Beaubrun, Dan Boeckner and Eric Heigle. Each of the band's studio albums features contributions from composer and violinist Owen Pallett.