Dialogue Between a Priest and a Dying Man (original French: Dialogue entre un prêtre et un moribond) is a dialogue written by the Marquis de Sade while incarcerated at the Château de Vincennes in 1782. It is one of the earliest known written works from de Sade to be dated with certainty, and was first published in 1926 together with an edition of Historiettes, Contes et Fabliaux (written originally in 1788). It was subsequently published in English in 1927 by Pascal Covici in a limited, hand-numbered edition of 650 copies.
The work expresses the author's atheism by having a dying man (a libertine) tell a priest about what he views as the mistakes of a pious life.
According to John Phillips, Emeritus Professor of French Literature and Culture at London Metropolitan University: