Upset The Rhythm is an independent record label based in London with a varied roster of leftfield artists and bands;^[1][2] they also operate as a diverse DIY live music promoter.^[3] Huw Stephens featured Upset The Rhythm as "purveyors of interesting indie" on his BBC Radio 1 show (24 November 2011) as part of his ongoing 'Label Of Love'^[4] feature. As of 2015, Upset The Rhythm had 85 releases.

Upset The Rhythm initially formed in 2003 while its members were organising a concert for Deerhoof.^[5] By 2015, Upset The Rhythm had organised about 700 shows.^[6]

Upset The Rhythm shows occur each week in venues across London from smaller DIY hubs like Power Lunches to more established venues like The Roundhouse.^[7] The record label began in the Summer of 2005, funded by a gift of profits from a The Evens show by Ian MacKaye.^[8][9] The label's first release was a mini-album by Death Sentence: Panda!,^[10] followed by debut releases by John Maus, No Age and Future Islands.^[11] The company works with unusual and upcoming American acts, and also promotes the UK's DIY music scene, releasing records by Trash Kit, Cold Pumas, The Pheromoans, Pega Monstro^[12] Silver Fox, The World^[13] and Terry.^[14]

By December 2013, Upset the Rhythm's live music promotions included working with Tate Britain and Frieze magazine on their music programming,^[15] organising an all day charity concert with artist David Shrigley for Amnesty International and co-founding the art/music festival Yes Way^[16][17] with London gallery Auto Italia South East.^[18]