The Archdiocese of Rouen is a Latin Church archdiocese of the 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.

Rouen is a city on the River Seine in northern France. It is the prefecture of the region of Normandy and the department of Seine-Maritime. Formerly one of the largest and most prosperous cities of medieval Europe, the population of the metropolitan area is 702,945 (2018). People from Rouen are known as Rouennais.