Diocese of Auxerre, France
Founded in the 3rd century, a suffragan of the Archdiocese of Sens, France. Suppressed on 29 November 1801 in the turmoil following the French Revolution. It was restored on 10 July 1817, but was suppressed in 1821 and absorbed into the Archdiocese of Sens-Auxerre, France. Notable bishops include
- Saint Abbo
- Saint Amator of Auxerre
- Saint Betto
- Saint Censurius of Auxerre
- Saint Drouet
- Saint Germanus of Auxerre
- Saint Gregory of Auxerre
- Saint Helladius of Auxerre
- Saint Heribaldus
- Saint Hugh of Montaigu
- Saint Optatus of Auxerre
- Saint Palladius
- Saint Peregrinus of Auxerre
- Saint Valerian of Auxerre
- Saint Vigilius of Auxerre
- Blessed Hugh of Macon
- Bishop André Colbert
- Bishop Jacques-Marie de Caritat de Condorcet
- Bishop Jean-Baptiste-Marie Champion de Cicé
- Bishop Louis-Daniel-Gabriel de Pestel de Levis de Trubières de Caylus
- Bishop Nicolas de Colbert
- Bishop Pierre de Broc
- Bishop Robert de Lenoncourt
