Chorus is the fifth studio album by English synth-pop duo Erasure, released on 14 October 1991 by Mute Records in Germany and the UK and on 15 October 1991 by Sire/Reprise Records in the United States. In 1999, Ned Raggett ranked the album at number 45 in his list of "The Top 136 or So Albums of the Nineties".

Erasure are an English synth-pop duo formed in London in 1984, consisting of lead vocalist and songwriter Andy Bell with songwriter, producer and keyboardist Vince Clarke, previously co-founder of the band Depeche Mode and a member of synth-pop duo Yazoo. From their fourth single, "Sometimes" (1986), Erasure established themselves on the UK Singles Chart, becoming one of the most successful acts of the mid-1980s to the mid-1990s. From 1986 to 2007, the pair achieved 24 consecutive top-40 entries in the UK singles chart. By 2009, 34 of their 37 chart-eligible singles and EPs had made the UK top 40, including 17 climbing into the top 10. At the 1989 Brit Awards, Erasure won the Brit Award for Best British Group.