The Bishop of Saint-Dié is the title held by the leader of the Roman Catholic Diocese of Saint-Dié, located in northeastern France. Established in 1777, the diocese is part of the ecclesiastical province of Strasbourg. The bishop oversees the spiritual and administrative needs of the diocese, which includes various parishes and communities. The diocese's cathedral, Saint-Dié Cathedral, serves as the bishop's seat and is an important historical and architectural site. The bishop also plays a role in regional and national church matters, contributing to the broader mission of the Catholic Church in France.