Noyon Cathedral is a Roman Catholic church and former cathedral, located in Noyon, France. It was formerly the seat of the Bishopric of Noyon, abolished by the Concordat of 1801 and merged into the Diocese of Beauvais. The cathedral was constructed on the site of a church burned down in 1131 and is a fine example of the transition from Romanesque to Gothic architecture.

Noyon is a commune in the Oise department, northern France.