"Invaders Must Die" is the eighteenth single released by the British electronic band the Prodigy. It was released from the band's website as a free digital download on 26 November 2008. It was the first single from the album Invaders Must Die. The download was announced on 24 November, in a newsletter sent to fans, and first aired on Zane Lowe's Radio 1 show as his 'Hottest Record in the World' on 26 November. The song was co-produced by Does It Offend You, Yeah?'s James Rushent. Liam Howlett described this to the Dubai edition of Time Out as: "a very abrasive-sounding electronic track, kind of different to anything we've done before." Although not being a commercial single the track charted at 49 in the UK Singles Chart on 1 March 2009, whilst the Chase & Status remix reached 53 in the Australian Aria Singles Chart and 7 in the Aria Dance Chart. On 30 November 2009 the re-amped version by Liam was released as an EP with the B-side Mescaline, and Thunder remixes.

The Prodigy are an English electronic dance music band formed in Braintree, Essex, in 1990 by producer, keyboardist, and songwriter Liam Howlett. The original line-up also featured dancer and vocalist Keith Flint, dancer and occasional live keyboardist Leeroy Thornhill, dancer Sharky, and MC and vocalist Maxim. They are pioneers of the breakbeat-influenced genre big beat, and describe their style as electronic punk.