Delta Heavy (often stylised as DELTΔ HEΔVY) are an English drum and bass production duo consisting of Ben Hall and Simon James.

Delta Heavy first signed to Viper Recordings in 2009, and provided the songs "Galaxy" and "Abort" for two of the label's compilations.

They were picked up by the prestigious drum and bass label RAM Records in 2010, and released their first two singles, "Space Time" and "Overkill" with them.

[citation needed] The album's fourth official single, "Oscillator", was released on 4 March, backed with "Fun House".

[citation needed] In March 2019, Delta Heavy released their sophomore album, Only in Dreams, which includes collaborations with artists such as Zeds Dead, Modestep, Muzzy, and Kuuro.