Halloween Kills (Original Motion Picture Soundtrack) is the soundtrack album to the 2021 film , directed by ; a sequel to Green's  (2018) and the twelfth instalment in the  . ,  and , who previously scored for the first film, returned for the sequel. As similar to the predecessor, John had reused the original theme from the  using modern interpretations.

Halloween Kills soundtrack featured 20-tracks, mostly consisting of John, Cody and Davies' score, and was led by three singles: "Unkillable", "Rampage" and "Michael's Legend". A non-album single titled "" performed by , was also released, that feature in the end credits. The album, distributed by , had a limited release in  on October 14, 2021, and later released through multiple music platforms, the following day, on October 15, which coincides the film's release. It was also distributed in CD, LP and cassettes. John's score received generally positive response from critics, and the score album debuted at number 9 in   for the week beginning October 23.