"Under the Gun" is a song by the English rock band the Sisters of Mercy released as the single from their album A Slight Case of Overbombing: Greatest Hits Vol. 1. It is a duet featuring Terri Nunn on vocals, and was accompanied by a music video with Andrew Eldritch and Nunn. It is the only new song on a greatest hits compilation released in 1993 by Merciful Release on EastWest Records, a UK Warner Music Group label. This is the band's most recent single as of 2022.