International audienceFrench conceptions of prison space have always relied on a spatialist way of thinking, as if prison could be a place able to overcome social contradictions. This paper highlights this through an analysis of the functions attributed to prison space. It follows a diachronic approach, from the invention of the prison as a penal place (and not just a detention house to await trial) during the French Revolution to the present day. The paper underscores the extent to which official discourses on prison constantly refer to the spatiality of the prison system, especially its architectural ethos. Space becomes an active factor of confinement, punishing inmates and supposedly offering the ultimate solution to social deviance. Bo...