The Polyptych of Irminon, also known as the Polyptych of Saint-Germain, is an inventory of properties compiled around 823 by Irminon, the abbot of the Saint-Germain-des-Prés in France.
The Polyptych describes the possessions of the monastery, located primarily in the Paris region, between the rivers Seine and Eure. It lists the names of thousands of tenants and their children.