The Bishop of Boulogne is a title held by the leader of the Roman Catholic Diocese of Boulogne-sur-Mer, located in northern France. This diocese has a rich history dating back to the early Christian era and plays a significant role in the local church community. The bishop oversees various religious activities, including the administration of sacraments and pastoral care. The diocese is part of the larger ecclesiastical province of Lille and has been influential in the region's spiritual and cultural development. The current bishop is responsible for guiding the faithful and ensuring the teachings of the Catholic Church are upheld within the diocese.