The Centre for the Interpretation of Proto-Beguinism in Oignies (CIPO) is a cultural centre in Aiseau-Presles, Belgium, dedicated to the history of the beguinage, with a focus on Marie d'Oignies, considered to be the first beguine.
The CIPO is located in the Church of Saint Mary of Oignies, where the relics of Saint Mary of Oignies and the remains of Jacques de Vitry are kept.