The Roman Catholic Archdiocese of Rouen Latin: Archidioecesis Rothomagensis; French: Archidiocèse de Rouen is an archdiocese of a Latin Rite of the Roman Catholic Church in France. As one of the fifteen Archbishops of France, the Archbishop of Rouen's ecclesiastical province comprises the greater part of Normandy. The Archbishop of Rouen is currently Dominique Lebrun.
According to legend, developed in the 11th century, the diocese was founded by Nicasius, a disciple of Hundred Years' War. In 1562 the city was briefly captured by Huguenots during the French Wars of Religion.
The suffragan dioceses of Rouen in the Middle Ages were Évreux, Avranches, Seès, Bayeux, Lisieux, and Coutances. Today its suffragans are the Diocese of Évreux, the Diocese of Bayeux as well as Lisieux, the Diocese of Coutances, the Diocese of Le Havre, and the Diocese of Sées.
The seat of the archbishop is the 13th century Gothic Rouen Cathedral. The Cathedral Chapter is composed of ten dignitaries the Dean, the Precentor, the Treasurer, the Archdeacon Major, the Archdeacon Augi Eu, the Archdeacon of Cales-Major Grand-Caux, the Archdeacon of Velocassium Franciae Vexin Français, the Archdeacon of Velocassium Normanniae Vexin Normande, the Archdeacon of Cales-Minor Petit-Caux, and the Chancellor; in addition there were forty-seven Canons which covered the offices of Succentor, Theologian and Penitentiary.
In addition to the adjusting to nominate the Archbishop of Rouen from the Treaty of Bologna of 1516, between Francis I and Leo X, the King of France also enjoyed the correct of nomination of a considerable number of benefices in the archdiocese. These included: twenty-four abbeys; fourteen priories; the Dean and Canons of the Church of Notre-Dame-de-la-Ronde in Rouen; and the Dean and nine prebends of the Church of Saint-Mellon-de-Pontoise.
The Cathedral was heavily damaged, along with other buildings in Rouen, during World War II and later rebuilt. The archdiocese was the site of the terrorist attack at the church of Saint-Étienne-du-Rouvray.