One Assassination Under God – Chapter 1

One Assassination Under God – Chapter 1 is the twelfth studio album by American rock band Marilyn Manson. It is the band's first studio album since We Are Chaos in 2020, marking the longest gap between studio albums in the band's career, and was their first album released through Nuclear Blast. Produced by Marilyn Manson and Tyler Bates, the album was released on November 22, 2024, the 61st anniversary of the assassination of John F. Kennedy. Shortly after the release of We Are Chaos, the band was dropped by their label, talent agency and manager when several women accused the vocalist of abuse, allegations he has denied. A four-year criminal investigation of the abuse allegations resulted in no charges being filed against Manson.

The record was primarily recorded at Bates's Los Angeles recording studio The Abattoir between April 2023 and April 2024. It features drums performed by Gil Sharone, who also contributed to the band's previous albums The Pale Emperor and Heaven Upside Down. The album was preceded by the release of three singles: "As Sick as the Secrets Within", "Raise the Red Flag" and "Sacrilegious". Music videos were created for all three singles, as well as the album's title track. All four music videos were directed by Bill Yukich. The singles were successful upon release, reaching career-high peaks on several American and British charts.

The album received positive reviews, with publications praising the songwriting, vocals, and production. It was well received by fans, topping numerous year-end fan reader polls. It also performed well commercially, peaking in the top twenty in several major European markets. The live band, consisting of Manson, Bates, Sharone, Piggy D. and Reba Meyers, toured extensively in support of the record. In the summer of 2024, they performed a North American co-headlining tour with Five Finger Death Punch, and performed their own headlining tours of Europe and North America throughout 2025.