Bass Communion is a side project of Steven Wilson, best known for his lead role in the rock band Porcupine Tree. Records released under the name "Bass Communion" are in an ambient or electronic vein - lengthy drone-heavy compositions. They come about as experiments in texture made from processing the sound of real instruments and field recordings.

Bass Communion's albums have often featured collaborations from other musicians, including Robert Fripp of King Crimson, saxophonist Theo Travis, Bryn Jones (also known as Muslimgauze), and Vidna Obmana.