The Bishop of Rennes is the head of the Roman Catholic Diocese of Rennes, located in the region of Brittany, France. This diocese has a rich history dating back to the early Christian era and plays a significant role in the spiritual life of the local community. The bishop oversees various religious activities, including the administration of sacraments and pastoral care. The current bishop is part of the broader ecclesiastical structure of the Catholic Church, which includes other dioceses in France, such as the Archbishop of Paris and the Bishop of Nantes. The bishop also participates in regional and national church conferences, contributing to the governance of the church in France.