The Persecution and Assassination of Marat as Performed by the Inmates of the Asylum of Charenton Under the Direction of the Marquis de Sade

The Persecution and Assassination of Jean-Paul Marat as Performed by the Inmates of the Asylum of Charenton Under the Direction of the Marquis de Sade (German: Die Verfolgung und Ermordung Jean Paul Marats dargestellt durch die Schauspielgruppe des Hospizes zu Charenton unter Anleitung des Herrn de Sade), usually shortened to Marat/Sade (pronounced: [ma.ʝa.sad]), is a 1963 play by Peter Weiss. The work was first published in German.

Incorporating dramatic elements characteristic of both Artaud and Brecht, it is a bloody and unrelenting depiction of class struggle and human suffering which asks whether true revolution comes from changing society or changing oneself.