"Unholy" is a song by British singer Sam Smith and German singer Kim Petras. It was released on 22 September 2022 as the second single from Smith's fourth studio album Gloria (2023).
"Unholy" entered at the top of the UK Singles Chart, becoming Smith's eighth chart-topper and Petras' first.
Outside the United Kingdom, "Unholy" topped the charts in Australia, Austria, Canada, Ireland, New Zealand and the United States, becoming both Smith's and Petras' first chart topper in the latter, and peaked within the top ten of the charts in Petras' native Germany, Belgium, the Netherlands, Norway, Sweden, France, Indonesia and the top 20 in Italy.
The song won the award for Best Pop Duo/Group Performance at the 65th Annual Grammy Awards.