Bad Blood (stylised as "BΔD BLOOD") is the debut studio album by British band Bastille. It was released on 4 March 2013 in the United Kingdom, and on 3 September 2013 in the United States, and features the singles "Overjoyed", "Bad Blood", "Flaws", "Pompeii", "Laura Palmer" and "Things We Lost in the Fire". The album was recorded in London and produced by lead-singer, Dan Smith, and Mark Crew.

The record debuted at number one on the UK Albums Chart, has spent three non-consecutive weeks at the top, and was certified platinum in the UK. It has also charted on the US Billboard 200, as well as in several other countries.

An extended version of the album, All This Bad Blood, was released on 25 November 2013, and featured the single "Of the Night".

It was nominated for British Album of the Year at the 2014 BRIT Awards.