The Avalanches are an Australian electronic music group known for their debut plunderphonics album Since I Left You (2000), as well as their live and recorded DJ sets. Their lineup currently consists of Robbie Chater on keyboards and Tony Di Blasi on keyboards, bass, and backing vocals.

The Avalanches' only full-length album, Since I Left You, was a critical and commercial success, peaking in the top 10 on the UK Albums Chart in April 2001. At the ARIA Music Awards of 2001, the group received nine nominations and won four categories, including "Best New Artist – Album". In October 2010, the album was listed at No. 10 in the book, 100 Best Australian Albums. It has also been named #1 Australian Album of all time in a Triple J industry poll, as well as the #10 album of the decade by Pitchfork Media. It is estimated that in the decade since its release the album has gone on to sell over a million copies.